Base | Representation |
---|---|
bin | 10110111010000010… |
… | …00100011110001110 |
3 | 1011202001211002202222 |
4 | 23131001010132032 |
5 | 200141240323130 |
6 | 5352152215342 |
7 | 613520050325 |
oct | 133501043616 |
9 | 34661732688 |
10 | 12297979790 |
11 | 5240986268 |
12 | 247269a552 |
13 | 120cb05c25 |
14 | 8494270bc |
15 | 4be9d0ce5 |
hex | 2dd04478e |
12297979790 has 32 divisors (see below), whose sum is σ = 22701967200. Its totient is φ = 4794015744.
The previous prime is 12297979783. The next prime is 12297979817. The reversal of 12297979790 is 9797979221.
It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161222 + ... + 224918.
It is an arithmetic number, because the mean of its divisors is an integer number (709436475).
Almost surely, 212297979790 is an apocalyptic number.
12297979790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12297979790 is a deficient number, since it is larger than the sum of its proper divisors (10403987410).
12297979790 is a wasteful number, since it uses less digits than its factorization.
12297979790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64196.
The product of its (nonzero) digits is 9001692, while the sum is 62.
The spelling of 12297979790 in words is "twelve billion, two hundred ninety-seven million, nine hundred seventy-nine thousand, seven hundred ninety".
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