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87827134140153 = 32138128972439181
BaseRepresentation
bin10011111110000011011001…
…001000011100111011111001
3102111222012011222121212201200
4103332003121020130323321
543002424432314441103
6510443121201204413
724333205154432112
oct2376033110347371
9374865158555650
1087827134140153
1125a913076342a1
129a255a1630709
133a010a8b52b35
141798bdab11209
15a248ba65a0a3
hex4fe0d921cef9

87827134140153 has 24 divisors (see below), whose sum is σ = 126997152367176. Its totient is φ = 58488804518400.

The previous prime is 87827134140073. The next prime is 87827134140173. The reversal of 87827134140153 is 35104143172878.

87827134140153 is a `hidden beast` number, since 8 + 7 + 8 + 2 + 71 + 3 + 414 + 0 + 153 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 556468257024 + 87270665883129 = 745968^2 + 9341877^2 .

It is not a de Polignac number, because 87827134140153 - 229 = 87826597269241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87827134140153.

It is not an unprimeable number, because it can be changed into a prime (87827134140173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34787223 + ... + 37226403.

It is an arithmetic number, because the mean of its divisors is an integer number (5291548015299).

Almost surely, 287827134140153 is an apocalyptic number.

It is an amenable number.

87827134140153 is a deficient number, since it is larger than the sum of its proper divisors (39170018227023).

87827134140153 is a wasteful number, since it uses less digits than its factorization.

87827134140153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443465 (or 2443462 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 87827134140153 in words is "eighty-seven trillion, eight hundred twenty-seven billion, one hundred thirty-four million, one hundred forty thousand, one hundred fifty-three".

Divisors: 1 3 9 1381 2897 4143 8691 12429 26073 2439181 4000757 7317543 12002271 21952629 36006813 3368508961 7066307357 10105526883 21198922071 30316580649 63596766213 9758570460017 29275711380051 87827134140153