Base | Representation |
---|---|
bin | 10111100010101100… |
… | …00011110011000111 |
3 | 1012121211120001201222 |
4 | 23301112003303013 |
5 | 201341042321000 |
6 | 5450054110555 |
7 | 625130644253 |
oct | 136126036307 |
9 | 35554501658 |
10 | 12639026375 |
11 | 53a6445648 |
12 | 254894b45b |
13 | 1265675a41 |
14 | 87c843263 |
15 | 4de8eba85 |
hex | 2f1583cc7 |
12639026375 has 32 divisors (see below), whose sum is σ = 16020583488. Its totient is φ = 9954000000.
The previous prime is 12639026341. The next prime is 12639026381. The reversal of 12639026375 is 57362093621.
It is not a de Polignac number, because 12639026375 - 216 = 12638960839 is a prime.
It is a super-3 number, since 3×126390263753 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2282360 + ... + 2287890.
It is an arithmetic number, because the mean of its divisors is an integer number (500643234).
Almost surely, 212639026375 is an apocalyptic number.
12639026375 is a deficient number, since it is larger than the sum of its proper divisors (3381557113).
12639026375 is a wasteful number, since it uses less digits than its factorization.
12639026375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5828 (or 5818 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 44.
The spelling of 12639026375 in words is "twelve billion, six hundred thirty-nine million, twenty-six thousand, three hundred seventy-five".
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