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42492656892 = 22371753288571
BaseRepresentation
bin100111100100110000…
…100111110011111100
311001200101102121221010
4213210300213303330
51144011110010032
631304301035220
73033002424030
oct474460476374
9131611377833
1042492656892
1117025aa7064
12829a855b10
13401261057a
1420b166a1c0
15118a761ccc
hex9e4c27cfc

42492656892 has 48 divisors (see below), whose sum is σ = 113378784512. Its totient is φ = 12133791360.

The previous prime is 42492656863. The next prime is 42492656893. The reversal of 42492656892 is 29865629424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42492656893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967 + ... + 291537.

Almost surely, 242492656892 is an apocalyptic number.

42492656892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42492656892 is an abundant number, since it is smaller than the sum of its proper divisors (70886127620).

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

42492656892 is a wasteful number, since it uses less digits than its factorization.

42492656892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290338 (or 290336 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 42492656892 in words is "forty-two billion, four hundred ninety-two million, six hundred fifty-six thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1753 3506 5259 7012 10518 12271 21036 24542 36813 49084 73626 147252 288571 577142 865713 1154284 1731426 2019997 3462852 4039994 6059991 8079988 12119982 24239964 505864963 1011729926 1517594889 2023459852 3035189778 3541054741 6070379556 7082109482 10623164223 14164218964 21246328446 42492656892