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168899628676 = 222054872
BaseRepresentation
bin1001110101001100110…
…0111100111010000100
3121010221220110010102211
42131103030330322010
510231401301104201
6205331425113204
715126330104332
oct2352314747204
9533856403384
10168899628676
11656a2489989
1228898188804
1312c08ca63ac
14826387cb52
1545d7e3e651
hex275333ce84

168899628676 has 9 divisors (see below), whose sum is σ = 295575788599. Its totient is φ = 84449403364.

The previous prime is 168899628671. The next prime is 168899628713. The reversal of 168899628676 is 676826998861.

The square root of 168899628676 is 410974.

It is a perfect power (a square), and thus also a powerful number.

168899628676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168899628671) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 719205 + ... + 924691.

Almost surely, 2168899628676 is an apocalyptic number.

168899628676 is the 410974-th square number.

It is an amenable number.

168899628676 is a deficient number, since it is larger than the sum of its proper divisors (126676159923).

168899628676 is an frugal number, since it uses more digits than its factorization.

168899628676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410978 (or 205489 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 76.

The spelling of 168899628676 in words is "one hundred sixty-eight billion, eight hundred ninety-nine million, six hundred twenty-eight thousand, six hundred seventy-six".

Divisors: 1 2 4 205487 410974 821948 42224907169 84449814338 168899628676