Base | Representation |
---|---|
bin | 101000101011111111… |
… | …0100001110010000111 |
3 | 22100112100010221001211 |
4 | 1101113332201302013 |
5 | 2412421042330030 |
6 | 104050101032251 |
7 | 6212146156234 |
oct | 1212776416207 |
9 | 270470127054 |
10 | 87375355015 |
11 | 34068123503 |
12 | 14b259b5687 |
13 | 8316130900 |
14 | 432c4c278b |
15 | 2415c2e12a |
hex | 1457fa1c87 |
87375355015 has 12 divisors (see below), whose sum is σ = 113536261224. Its totient is φ = 64523338464.
The previous prime is 87375355007. The next prime is 87375355051. The reversal of 87375355015 is 51055357378.
It is not a de Polignac number, because 87375355015 - 23 = 87375355007 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 87375355015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51700549 + ... + 51702238.
It is an arithmetic number, because the mean of its divisors is an integer number (9461355102).
Almost surely, 287375355015 is an apocalyptic number.
87375355015 is a deficient number, since it is larger than the sum of its proper divisors (26160906209).
87375355015 is a wasteful number, since it uses less digits than its factorization.
87375355015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103402818 (or 103402805 counting only the distinct ones).
The product of its (nonzero) digits is 2205000, while the sum is 49.
The spelling of 87375355015 in words is "eighty-seven billion, three hundred seventy-five million, three hundred fifty-five thousand, fifteen".
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