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168908925828 = 22319970732381
BaseRepresentation
bin1001110101001111000…
…0011010101110000100
3121010222112221110201210
42131103300122232010
510231411141111303
6205332400251420
715126502115616
oct2352360325604
9533875843653
10168908925828
11656a7759a85
122889b310b70
1312c0abb0076
148264bbcdb6
1545d8b79203
hex2753c1ab84

168908925828 has 24 divisors (see below), whose sum is σ = 396101339200. Its totient is φ = 56020044960.

The previous prime is 168908925827. The next prime is 168908925833. The reversal of 168908925828 is 828529809861.

It is not an unprimeable number, because it can be changed into a prime (168908925821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35363803 + ... + 35368578.

Almost surely, 2168908925828 is an apocalyptic number.

It is an amenable number.

168908925828 is an abundant number, since it is smaller than the sum of its proper divisors (227192413372).

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

168908925828 is a wasteful number, since it uses less digits than its factorization.

168908925828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70732587 (or 70732585 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 66.

The spelling of 168908925828 in words is "one hundred sixty-eight billion, nine hundred eight million, nine hundred twenty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 70732381 141464762 212197143 282929524 424394286 848788572 14075743819 28151487638 42227231457 56302975276 84454462914 168908925828