Base | Representation |
---|---|
bin | 101000111101110111… |
… | …0011001000001100010 |
3 | 22102002010200100211210 |
4 | 1101323232121001202 |
5 | 2420133111321420 |
6 | 104225403450550 |
7 | 6233051023311 |
oct | 1217356310142 |
9 | 272063610753 |
10 | 87975104610 |
11 | 34345720228 |
12 | 15072826a56 |
13 | 83b046c523 |
14 | 4388002278 |
15 | 244d6ec9e0 |
hex | 147bb99062 |
87975104610 has 32 divisors (see below), whose sum is σ = 216846747072. Its totient is φ = 22825972800.
The previous prime is 87975104599. The next prime is 87975104617. The reversal of 87975104610 is 1640157978.
It is a super-2 number, since 2×879751046102 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 87975104610.
It is not an unprimeable number, because it can be changed into a prime (87975104617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39627316 + ... + 39629535.
It is an arithmetic number, because the mean of its divisors is an integer number (6776460846).
Almost surely, 287975104610 is an apocalyptic number.
87975104610 is an abundant number, since it is smaller than the sum of its proper divisors (128871642462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87975104610 is a wasteful number, since it uses less digits than its factorization.
87975104610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79256898.
The product of its (nonzero) digits is 423360, while the sum is 48.
The spelling of 87975104610 in words is "eighty-seven billion, nine hundred seventy-five million, one hundred four thousand, six hundred ten".
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