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19682042628 = 2237123100989
BaseRepresentation
bin10010010101001001…
…000010001100000100
31212210200020100201210
4102111021002030010
5310302100331003
613013010251420
71264511413323
oct222511021404
955720210653
1019682042628
11838aaaaa36
123993586b70
131b18860391
14d49d9a0ba
157a2db1503
hex495242304

19682042628 has 24 divisors (see below), whose sum is σ = 46571595840. Its totient is φ = 6468276640.

The previous prime is 19682042617. The next prime is 19682042687. The reversal of 19682042628 is 82624028691.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11549643 + ... + 11551346.

It is an arithmetic number, because the mean of its divisors is an integer number (1940483160).

Almost surely, 219682042628 is an apocalyptic number.

It is an amenable number.

19682042628 is an abundant number, since it is smaller than the sum of its proper divisors (26889553212).

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

19682042628 is a wasteful number, since it uses less digits than its factorization.

19682042628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23101067 (or 23101065 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 19682042628 in words is "nineteen billion, six hundred eighty-two million, forty-two thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 23100989 46201978 69302967 92403956 138605934 277211868 1640170219 3280340438 4920510657 6560680876 9841021314 19682042628