Base | Representation |
---|---|
bin | 10111101011011101… |
… | …10001100101110001 |
3 | 1012210222000201100002 |
4 | 23311232301211301 |
5 | 202013412124012 |
6 | 5501243235345 |
7 | 630013303220 |
oct | 136556614561 |
9 | 35728021302 |
10 | 12712614257 |
11 | 5433a37282 |
12 | 2569518b55 |
13 | 127799c675 |
14 | 88851acb7 |
15 | 4e60d57c2 |
hex | 2f5bb1971 |
12712614257 has 8 divisors (see below), whose sum is σ = 15160384896. Its totient is φ = 10422764352.
The previous prime is 12712614251. The next prime is 12712614281. The reversal of 12712614257 is 75241621721.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12712614257 - 28 = 12712614001 is a prime.
It is a super-2 number, since 2×127126142572 (a number of 21 digits) contains 22 as substring.
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 12712614257.
It is not an unprimeable number, because it can be changed into a prime (12712614251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39480008 + ... + 39480329.
It is an arithmetic number, because the mean of its divisors is an integer number (1895048112).
Almost surely, 212712614257 is an apocalyptic number.
It is an amenable number.
12712614257 is a deficient number, since it is larger than the sum of its proper divisors (2447770639).
12712614257 is an equidigital number, since it uses as much as digits as its factorization.
12712614257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78960367.
The product of its digits is 47040, while the sum is 38.
The spelling of 12712614257 in words is "twelve billion, seven hundred twelve million, six hundred fourteen thousand, two hundred fifty-seven".
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