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401122121221104 = 2431011491948928493
BaseRepresentation
bin101101100110100011000010…
…1100011000000001111110000
31221121020220022022022100102220
41123031012011203000033300
5410033441101013033404
63541040543015041040
7150330055045634013
oct13315060543001760
91847226268270386
10401122121221104
1110689aa332194a8
1238ba41a2970180
13142a886630b96a
14710a5b2a0937a
153159190ba54d9
hex16cd1858c03f0

401122121221104 has 160 divisors (see below), whose sum is σ = 1053606339432000. Its totient is φ = 131483696332800.

The previous prime is 401122121221091. The next prime is 401122121221109.

401122121221104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4011221212211042 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401122121221109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14077903882 + ... + 14077932374.

It is an arithmetic number, because the mean of its divisors is an integer number (6585039621450).

Almost surely, 2401122121221104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401122121221104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526803169716000).

401122121221104 is an abundant number, since it is smaller than the sum of its proper divisors (652484218210896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401122121221104 is a wasteful number, since it uses less digits than its factorization.

401122121221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48243 (or 48237 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 401122121221104 in words is "four hundred one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 101 149 202 298 303 404 447 596 606 808 894 1192 1212 1616 1788 2384 2424 3576 4848 7152 15049 19489 28493 30098 38978 45147 56986 58467 60196 77956 85479 90294 113972 116934 120392 155912 170958 180588 227944 233868 240784 311824 341916 361176 455888 467736 683832 722352 935472 1367664 1968389 2877793 2903861 3936778 4245457 5755586 5807722 5905167 7873556 8490914 8633379 8711583 11511172 11615444 11810334 12736371 15747112 16981828 17266758 17423166 23022344 23230888 23620668 25472742 31494224 33963656 34533516 34846332 46044688 46461776 47241336 50945484 67927312 69067032 69692664 94482672 101890968 138134064 139385328 203781936 293289961 428791157 555300077 586579922 857582314 879869883 1110600154 1173159844 1286373471 1665900231 1715164628 1759739766 2221200308 2346319688 2572746942 3331800462 3430329256 3519479532 4442400616 4692639376 5145493884 6663600924 6860658512 7038959064 8884801232 10290987768 13327201848 14077918128 20581975536 26654403696 56085307777 82739711473 112170615554 165479422946 168255923331 224341231108 248219134419 330958845892 336511846662 448682462216 496438268838 661917691784 673023693324 897364924432 992876537676 1323835383568 1346047386648 1985753075352 2692094773296 3971506150704 8356710858773 16713421717546 25070132576319 33426843435092 50140265152638 66853686870184 100280530305276 133707373740368 200561060610552 401122121221104