Base | Representation |
---|---|
bin | 10111110101100101… |
… | …00100011100001011 |
3 | 1020000212202002220012 |
4 | 23322302210130023 |
5 | 202202124320201 |
6 | 5513514422135 |
7 | 632063625125 |
oct | 137262443413 |
9 | 36025662805 |
10 | 12797495051 |
11 | 54779414a0 |
12 | 2591a3194b |
13 | 128c44b4a3 |
14 | 8958d4215 |
15 | 4ed7a05bb |
hex | 2faca470b |
12797495051 has 16 divisors (see below), whose sum is σ = 14466152448. Its totient is φ = 11215905600.
The previous prime is 12797495041. The next prime is 12797495089. The reversal of 12797495051 is 15059479721.
It is a cyclic number.
It is not a de Polignac number, because 12797495051 - 26 = 12797494987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12797495041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18335 + ... + 161031.
It is an arithmetic number, because the mean of its divisors is an integer number (904134528).
Almost surely, 212797495051 is an apocalyptic number.
12797495051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12797495051 is a deficient number, since it is larger than the sum of its proper divisors (1668657397).
12797495051 is a wasteful number, since it uses less digits than its factorization.
12797495051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143002.
The product of its (nonzero) digits is 793800, while the sum is 50.
The spelling of 12797495051 in words is "twelve billion, seven hundred ninety-seven million, four hundred ninety-five thousand, fifty-one".
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