Base | Representation |
---|---|
bin | 101000110100110101… |
… | …0111111110100011011 |
3 | 22101022000202111012100 |
4 | 1101221222333310123 |
5 | 2414023042200201 |
6 | 104135344014443 |
7 | 6222412421445 |
oct | 1215152776433 |
9 | 271260674170 |
10 | 87672225051 |
11 | 341aa75a344 |
12 | 14ba9301423 |
13 | 83627a3b58 |
14 | 4359abd495 |
15 | 2431d20886 |
hex | 1469abfd1b |
87672225051 has 12 divisors (see below), whose sum is σ = 128713686400. Its totient is φ = 57489983280.
The previous prime is 87672225029. The next prime is 87672225059. The reversal of 87672225051 is 15052227678.
87672225051 is a `hidden beast` number, since 8 + 76 + 72 + 2 + 2 + 505 + 1 = 666.
It is not a de Polignac number, because 87672225051 - 27 = 87672224923 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87672224988 and 87672225006.
It is not an unprimeable number, because it can be changed into a prime (87672225059) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79846651 + ... + 79847748.
Almost surely, 287672225051 is an apocalyptic number.
87672225051 is a deficient number, since it is larger than the sum of its proper divisors (41041461349).
87672225051 is a wasteful number, since it uses less digits than its factorization.
87672225051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159694466 (or 159694463 counting only the distinct ones).
The product of its (nonzero) digits is 470400, while the sum is 45.
The spelling of 87672225051 in words is "eighty-seven billion, six hundred seventy-two million, two hundred twenty-five thousand, fifty-one".
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