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870487000087 = 3072835462541
BaseRepresentation
bin11001010101011010001…
…00011000010000010111
310002012212201212100101111
430222231010120100113
5103230224133000322
61503521325235451
7116614323263005
oct14525504302027
93065781770344
10870487000087
11306198244181
12120858402b87
1364118276c53
14301bb90ba75
151799b54e177
hexcaad118417

870487000087 has 4 divisors (see below), whose sum is σ = 873322462936. Its totient is φ = 867651537240.

The previous prime is 870487000081. The next prime is 870487000099. The reversal of 870487000087 is 780000784078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 870487000087 - 211 = 870486998039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870487000087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870487000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417730964 + ... + 1417731577.

It is an arithmetic number, because the mean of its divisors is an integer number (218330615734).

Almost surely, 2870487000087 is an apocalyptic number.

870487000087 is a deficient number, since it is larger than the sum of its proper divisors (2835462849).

870487000087 is a wasteful number, since it uses less digits than its factorization.

870487000087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835462848.

The product of its (nonzero) digits is 702464, while the sum is 49.

The spelling of 870487000087 in words is "eight hundred seventy billion, four hundred eighty-seven million, eighty-seven", and thus it is an aban number.

Divisors: 1 307 2835462541 870487000087