Base | Representation |
---|---|
bin | 10111110010011010… |
… | …11011111010010000 |
3 | 1012222000212011222102 |
4 | 23321031123322100 |
5 | 202123332433233 |
6 | 5511130255532 |
7 | 631322366150 |
oct | 137115337220 |
9 | 35860764872 |
10 | 12770983568 |
11 | 5463983a82 |
12 | 2584b875a8 |
13 | 1286ac8315 |
14 | 892192760 |
15 | 4eb2b51e8 |
hex | 2f935be90 |
12770983568 has 40 divisors (see below), whose sum is σ = 28676914560. Its totient is φ = 5396186880.
The previous prime is 12770983567. The next prime is 12770983571. The reversal of 12770983568 is 86538907721.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is not an unprimeable number, because it can be changed into a prime (12770983567) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795053 + ... + 810956.
It is an arithmetic number, because the mean of its divisors is an integer number (716922864).
Almost surely, 212770983568 is an apocalyptic number.
It is an amenable number.
12770983568 is an abundant number, since it is smaller than the sum of its proper divisors (15905930992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12770983568 is a wasteful number, since it uses less digits than its factorization.
12770983568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1606095 (or 1606089 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 56.
The spelling of 12770983568 in words is "twelve billion, seven hundred seventy million, nine hundred eighty-three thousand, five hundred sixty-eight".
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