Base | Representation |
---|---|
bin | 10111110101100101… |
… | …10011000100011010 |
3 | 1020000212212011002102 |
4 | 23322302303010122 |
5 | 202202133224340 |
6 | 5513520003402 |
7 | 632064264614 |
oct | 137262630432 |
9 | 36025764072 |
10 | 12797554970 |
11 | 5477982512 |
12 | 2591a60562 |
13 | 128c46c845 |
14 | 89590bdb4 |
15 | 4ed7b3215 |
hex | 2facb311a |
12797554970 has 16 divisors (see below), whose sum is σ = 23203744488. Its totient is φ = 5081656320.
The previous prime is 12797554927. The next prime is 12797554981. The reversal of 12797554970 is 7945579721.
It can be written as a sum of positive squares in 4 ways, for example, as 12342543409 + 455011561 = 111097^2 + 21331^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669271 + ... + 4672010.
Almost surely, 212797554970 is an apocalyptic number.
12797554970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12797554970 is a deficient number, since it is larger than the sum of its proper divisors (10406189518).
12797554970 is a wasteful number, since it uses less digits than its factorization.
12797554970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9341425.
The product of its (nonzero) digits is 5556600, while the sum is 56.
The spelling of 12797554970 in words is "twelve billion, seven hundred ninety-seven million, five hundred fifty-four thousand, nine hundred seventy".
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