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42587016154 = 2232933159743
BaseRepresentation
bin100111101010011000…
…100100101111011010
311001220221222120111121
4213222120210233122
51144204234004104
631321511315454
73035226443644
oct475230445732
9131827876447
1042587016154
1117074295621
12830637bb8a
13402902a757
1420bddcd894
151193ba0254
hex9ea624bda

42587016154 has 16 divisors (see below), whose sum is σ = 66885460992. Its totient is φ = 20298182608.

The previous prime is 42587016139. The next prime is 42587016167. The reversal of 42587016154 is 45161078524.

It is a self number, because there is not a number n which added to its sum of digits gives 42587016154.

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, 1566394 + ... + 1593349.

It is an arithmetic number, because the mean of its divisors is an integer number (4180341312).

Almost surely, 242587016154 is an apocalyptic number.

42587016154 is a deficient number, since it is larger than the sum of its proper divisors (24298444838).

42587016154 is a wasteful number, since it uses less digits than its factorization.

42587016154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160061.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 42587016154 in words is "forty-two billion, five hundred eighty-seven million, sixteen thousand, one hundred fifty-four".

Divisors: 1 2 23 46 293 586 6739 13478 3159743 6319486 72674089 145348178 925804699 1851609398 21293508077 42587016154