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101440045404 = 223261175926261
BaseRepresentation
bin101111001111001001…
…1000100000101011100
3100200211112100020011200
41132132103010011130
53130222122423104
6114333444115500
710220531105415
oct1363623040534
9320745306150
10101440045404
113a025296575
12177b0095b90
139747c6c609
144ca43d880c
15298a88eb39
hex179e4c415c

101440045404 has 72 divisors (see below), whose sum is σ = 260779559040. Its totient is φ = 33238857600.

The previous prime is 101440045403. The next prime is 101440045417. The reversal of 101440045404 is 404540044101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101440045403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3849634 + ... + 3875894.

It is an arithmetic number, because the mean of its divisors is an integer number (3621938320).

Almost surely, 2101440045404 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 101440045404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130389779520).

101440045404 is an abundant number, since it is smaller than the sum of its proper divisors (159339513636).

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

101440045404 is a wasteful number, since it uses less digits than its factorization.

101440045404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28091 (or 28086 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 101440045404 its reverse (404540044101), we get a palindrome (505980089505).

The spelling of 101440045404 in words is "one hundred one billion, four hundred forty million, forty-five thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 1759 2196 3518 5277 7036 10554 15831 21108 26261 31662 52522 63324 78783 105044 107299 157566 214598 236349 315132 321897 429196 472698 643794 945396 965691 1287588 1601921 1931382 3203842 3862764 4805763 6407684 9611526 14417289 19223052 28834578 46193099 57669156 92386198 138579297 184772396 277158594 415737891 554317188 831475782 1662951564 2817779039 5635558078 8453337117 11271116156 16906674234 25360011351 33813348468 50720022702 101440045404