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20160564342 = 2317319422509
BaseRepresentation
bin10010110001101010…
…011100110001110110
31221001000122210010020
4102301222130301312
5312242101024332
613132302510010
71312411653342
oct226152346166
957030583106
1020160564342
118606127426
123aa7895306
131b93a35219
14d93760622
157cedd582c
hex4b1a9cc76

20160564342 has 16 divisors (see below), whose sum is σ = 40554200880. Its totient is φ = 6681342752.

The previous prime is 20160564331. The next prime is 20160564373. The reversal of 20160564342 is 24346506102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9710217 + ... + 9712292.

It is an arithmetic number, because the mean of its divisors is an integer number (2534637555).

Almost surely, 220160564342 is an apocalyptic number.

20160564342 is an abundant number, since it is smaller than the sum of its proper divisors (20393636538).

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

20160564342 is a wasteful number, since it uses less digits than its factorization.

20160564342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19422687.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 20160564342 in words is "twenty billion, one hundred sixty million, five hundred sixty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 173 346 519 1038 19422509 38845018 58267527 116535054 3360094057 6720188114 10080282171 20160564342