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105047703728 = 241119223140869
BaseRepresentation
bin110000111010101010…
…1001100000010110000
3101001010221210021000122
41201311111030002300
53210114203004403
6120131440505412
710406115514622
oct1416525140260
9331127707018
10105047703728
1140606765680
121843831b268
139ba1501496
1451275bcc12
152aec465838
hex187554c0b0

105047703728 has 80 divisors (see below), whose sum is σ = 234768307200. Its totient is φ = 45032682240.

The previous prime is 105047703721. The next prime is 105047703749. The reversal of 105047703728 is 827307740501.

It is a super-2 number, since 2×1050477037282 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (105047703721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675278 + ... + 816146.

It is an arithmetic number, because the mean of its divisors is an integer number (2934603840).

Almost surely, 2105047703728 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 105047703728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117384153600).

105047703728 is an abundant number, since it is smaller than the sum of its proper divisors (129720603472).

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

105047703728 is a wasteful number, since it uses less digits than its factorization.

105047703728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141130 (or 141124 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 105047703728 in words is "one hundred five billion, forty-seven million, seven hundred three thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 209 223 304 418 446 836 892 1672 1784 2453 3344 3568 4237 4906 8474 9812 16948 19624 33896 39248 46607 67792 93214 140869 186428 281738 372856 563476 745712 1126952 1549559 2253904 2676511 3099118 5353022 6198236 10706044 12396472 21412088 24792944 29441621 31413787 42824176 58883242 62827574 117766484 125655148 235532968 251310296 345551657 471065936 502620592 596861953 691103314 1193723906 1382206628 2387447812 2764413256 4774895624 5528826512 6565481483 9549791248 13130962966 26261925932 52523851864 105047703728