Base | Representation |
---|---|
bin | 11000001000100010… |
… | …10100100001111111 |
3 | 1020102222001000001012 |
4 | 30010101110201333 |
5 | 203013334120140 |
6 | 5541355505435 |
7 | 636034604012 |
oct | 140421244177 |
9 | 36388030035 |
10 | 12956551295 |
11 | 55496a9836 |
12 | 261715827b |
13 | 12b639b4cc |
14 | 8aca99379 |
15 | 50c71d265 |
hex | 30445487f |
12956551295 has 4 divisors (see below), whose sum is σ = 15547861560. Its totient is φ = 10365241032.
The previous prime is 12956551253. The next prime is 12956551313. The reversal of 12956551295 is 59215565921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59215565921 = 103 ⋅574908407.
It is a cyclic number.
It is not a de Polignac number, because 12956551295 - 28 = 12956551039 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295655125 + ... + 1295655134.
It is an arithmetic number, because the mean of its divisors is an integer number (3886965390).
Almost surely, 212956551295 is an apocalyptic number.
12956551295 is a deficient number, since it is larger than the sum of its proper divisors (2591310265).
12956551295 is an equidigital number, since it uses as much as digits as its factorization.
12956551295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2591310264.
The product of its digits is 1215000, while the sum is 50.
The spelling of 12956551295 in words is "twelve billion, nine hundred fifty-six million, five hundred fifty-one thousand, two hundred ninety-five".
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