Base | Representation |
---|---|
bin | 101000100100000001… |
… | …0101010110100001010 |
3 | 22022211201002010222020 |
4 | 1101020002222310022 |
5 | 2411344122131010 |
6 | 104003350505310 |
7 | 6202421553426 |
oct | 1211002526412 |
9 | 268751063866 |
10 | 87108005130 |
11 | 33a4021a593 |
12 | 14a70365236 |
13 | 82a2925103 |
14 | 4304babb86 |
15 | 23ec51e470 |
hex | 14480aad0a |
87108005130 has 64 divisors (see below), whose sum is σ = 209698519680. Its totient is φ = 23157874944.
The previous prime is 87108005113. The next prime is 87108005147. The reversal of 87108005130 is 3150080178.
It is an interprime number because it is at equal distance from previous prime (87108005113) and next prime (87108005147).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 87108005091 and 87108005100.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17054037 + ... + 17059143.
It is an arithmetic number, because the mean of its divisors is an integer number (3276539370).
Almost surely, 287108005130 is an apocalyptic number.
87108005130 is an abundant number, since it is smaller than the sum of its proper divisors (122590514550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87108005130 is a wasteful number, since it uses less digits than its factorization.
87108005130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6743.
The product of its (nonzero) digits is 6720, while the sum is 33.
The spelling of 87108005130 in words is "eighty-seven billion, one hundred eight million, five thousand, one hundred thirty".
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