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105807706768 = 2419675639227
BaseRepresentation
bin110001010001010100…
…0010111101010010000
3101010002220212102012101
41202202220113222100
53213143233104033
6120335110210144
710434004445131
oct1424250275220
9333086772171
10105807706768
1140966768165
121860a953954
139c92abc01a
14519a4d5c88
152b4403b97d
hex18a2a17a90

105807706768 has 80 divisors (see below), whose sum is σ = 219425598720. Its totient is φ = 49278354048.

The previous prime is 105807706759. The next prime is 105807706789. The reversal of 105807706768 is 867607708501.

It is a super-2 number, since 2×1058077067682 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11462571 + ... + 11471797.

It is an arithmetic number, because the mean of its divisors is an integer number (2742819984).

Almost surely, 2105807706768 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 105807706768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109712799360).

105807706768 is an abundant number, since it is smaller than the sum of its proper divisors (113617891952).

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

105807706768 is a wasteful number, since it uses less digits than its factorization.

105807706768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884 (or 9878 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 105807706768 in words is "one hundred five billion, eight hundred seven million, seven hundred six thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 19 38 67 76 134 152 268 304 536 563 1072 1126 1273 2252 2546 4504 5092 9008 9227 10184 10697 18454 20368 21394 36908 37721 42788 73816 75442 85576 147632 150884 171152 175313 301768 350626 603536 618209 701252 716699 1236418 1402504 1433398 2472836 2805008 2866796 4945672 5194801 5733592 9891344 10389602 11467184 11745971 20779204 23491942 41558408 46983884 83116816 93967768 98701219 187935536 197402438 348051667 394804876 696103334 789609752 1392206668 1579219504 2784413336 5568826672 6612981673 13225963346 26451926692 52903853384 105807706768