Base | Representation |
---|---|
bin | 10111101010011100… |
… | …01110100011010001 |
3 | 1012210100222020110100 |
4 | 23311032032203101 |
5 | 202004221112004 |
6 | 5500340323013 |
7 | 626550626214 |
oct | 136516164321 |
9 | 35710866410 |
10 | 12704082129 |
11 | 542a139a32 |
12 | 25666a3469 |
13 | 1275ca2c7b |
14 | 88733977b |
15 | 4e549c739 |
hex | 2f538e8d1 |
12704082129 has 12 divisors (see below), whose sum is σ = 18446418432. Its totient is φ = 8425044600.
The previous prime is 12704082103. The next prime is 12704082137. The reversal of 12704082129 is 92128040721.
12704082129 is a `hidden beast` number, since 127 + 0 + 408 + 2 + 129 = 666.
It is not a de Polignac number, because 12704082129 - 213 = 12704073937 is a prime.
It is a super-2 number, since 2×127040821292 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12704082093 and 12704082102.
It is not an unprimeable number, because it can be changed into a prime (12704082169) 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, 3693477 + ... + 3696914.
It is an arithmetic number, because the mean of its divisors is an integer number (1537201536).
Almost surely, 212704082129 is an apocalyptic number.
It is an amenable number.
12704082129 is a deficient number, since it is larger than the sum of its proper divisors (5742336303).
12704082129 is a wasteful number, since it uses less digits than its factorization.
12704082129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7390588 (or 7390585 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The spelling of 12704082129 in words is "twelve billion, seven hundred four million, eighty-two thousand, one hundred twenty-nine".
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