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5187135087 = 322381924197
BaseRepresentation
bin1001101010010110…
…10110011001101111
3111101111111202122100
410311023112121233
541110401310322
62214414150143
7242353630551
oct46513263157
914344452570
105187135087
112222003402
1210091b2353
13648860304
14372c954d1
152055bddac
hex1352d666f

5187135087 has 12 divisors (see below), whose sum is σ = 7493152680. Its totient is φ = 3457801968.

The previous prime is 5187135029. The next prime is 5187135133. The reversal of 5187135087 is 7805317815.

5187135087 is a `hidden beast` number, since 51 + 87 + 13 + 508 + 7 = 666.

It is not a de Polignac number, because 5187135087 - 220 = 5186086511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187135887) 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 11 ways as a sum of consecutive naturals, for example, 202273 + ... + 226469.

It is an arithmetic number, because the mean of its divisors is an integer number (624429390).

Almost surely, 25187135087 is an apocalyptic number.

5187135087 is a deficient number, since it is larger than the sum of its proper divisors (2306017593).

5187135087 is a wasteful number, since it uses less digits than its factorization.

5187135087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48022 (or 48019 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The square root of 5187135087 is about 72021.7681468596. The cubic root of 5187135087 is about 1731.0483012432.

The spelling of 5187135087 in words is "five billion, one hundred eighty-seven million, one hundred thirty-five thousand, eighty-seven".

Divisors: 1 3 9 23819 24197 71457 72591 214371 217773 576348343 1729045029 5187135087