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20162853368 = 237794557607
BaseRepresentation
bin10010110001110011…
…001011100111111000
31221001011222002001222
4102301303023213320
5312243142301433
613132423531212
71312440266030
oct226163134770
957034862058
1020162853368
118607450189
123aa85b9b08
131b94357088
14d93b988c0
157d01d8b98
hex4b1ccb9f8

20162853368 has 32 divisors (see below), whose sum is σ = 43753036800. Its totient is φ = 8531838432.

The previous prime is 20162853323. The next prime is 20162853379. The reversal of 20162853368 is 86335826102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274380 + ... + 2283227.

It is an arithmetic number, because the mean of its divisors is an integer number (1367282400).

Almost surely, 220162853368 is an apocalyptic number.

20162853368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20162853368 is an abundant number, since it is smaller than the sum of its proper divisors (23590183432).

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

20162853368 is a wasteful number, since it uses less digits than its factorization.

20162853368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557699 (or 4557695 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 20162853368 in words is "twenty billion, one hundred sixty-two million, eight hundred fifty-three thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 79 158 316 553 632 1106 2212 4424 4557607 9115214 18230428 31903249 36460856 63806498 127612996 255225992 360050953 720101906 1440203812 2520356671 2880407624 5040713342 10081426684 20162853368