Base | Representation |
---|---|
bin | 10111110000010001… |
… | …01010101111010000 |
3 | 1012220202221022022100 |
4 | 23320020222233100 |
5 | 202104224100433 |
6 | 5505244040400 |
7 | 631013224545 |
oct | 137010525720 |
9 | 35822838270 |
10 | 12752956368 |
11 | 5454790969 |
12 | 257ab33100 |
13 | 1283155b39 |
14 | 88da1cbcc |
15 | 4e9903b13 |
hex | 2f822abd0 |
12752956368 has 60 divisors (see below), whose sum is σ = 37790017668. Its totient is φ = 4000926720.
The previous prime is 12752956357. The next prime is 12752956379. The reversal of 12752956368 is 86365925721.
12752956368 is a `hidden beast` number, since 1 + 2 + 7 + 529 + 56 + 3 + 68 = 666.
It is an interprime number because it is at equal distance from previous prime (12752956357) and next prime (12752956379).
It can be written as a sum of positive squares in 2 ways, for example, as 4239572544 + 8513383824 = 65112^2 + 92268^2 .
It is a super-2 number, since 2×127529563682 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2602323 + ... + 2607218.
Almost surely, 212752956368 is an apocalyptic number.
12752956368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12752956368 is an abundant number, since it is smaller than the sum of its proper divisors (25037061300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12752956368 is a wasteful number, since it uses less digits than its factorization.
12752956368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5209572 (or 5209563 counting only the distinct ones).
The product of its digits is 5443200, while the sum is 54.
The spelling of 12752956368 in words is "twelve billion, seven hundred fifty-two million, nine hundred fifty-six thousand, three hundred sixty-eight".
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