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105722020684 = 22731217955897
BaseRepresentation
bin110001001110110000…
…1100000001101001100
3101002212221122002222201
41202131201200031030
53213004314130214
6120322405451244
710431614230360
oct1423541401514
9332787562881
10105722020684
1140922362a15
12185a6110b24
139c7b11a7b7
14518cd8d2a0
152b3b763274
hex189d86034c

105722020684 has 48 divisors (see below), whose sum is σ = 218368890880. Its totient is φ = 43826935680.

The previous prime is 105722020673. The next prime is 105722020699. The reversal of 105722020684 is 486020227501.

It is a happy number.

It is a super-2 number, since 2×1057220206842 (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, 1863424 + ... + 1919320.

Almost surely, 2105722020684 is an apocalyptic number.

105722020684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105722020684 is an abundant number, since it is smaller than the sum of its proper divisors (112646870196).

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

105722020684 is a wasteful number, since it uses less digits than its factorization.

105722020684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58118 (or 58116 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 105722020684 in words is "one hundred five billion, seven hundred twenty-two million, twenty thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 2179 4358 8716 15253 30506 55897 61012 67549 111794 135098 223588 270196 391279 472843 782558 945686 1565116 1732807 1891372 3465614 6931228 12129649 24259298 48518596 121799563 243599126 487198252 852596941 1705193882 3410387764 3775786453 7551572906 15103145812 26430505171 52861010342 105722020684