Base | Representation |
---|---|
bin | 11001010101011010001… |
… | …00011000010000010111 |
3 | 10002012212201212100101111 |
4 | 30222231010120100113 |
5 | 103230224133000322 |
6 | 1503521325235451 |
7 | 116614323263005 |
oct | 14525504302027 |
9 | 3065781770344 |
10 | 870487000087 |
11 | 306198244181 |
12 | 120858402b87 |
13 | 64118276c53 |
14 | 301bb90ba75 |
15 | 1799b54e177 |
hex | caad118417 |
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.
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