Base | Representation |
---|---|
bin | 10111000010100101… |
… | …01011101011111000 |
3 | 1011221001210011020220 |
4 | 23201102223223320 |
5 | 200313121040340 |
6 | 5403233420040 |
7 | 615350522661 |
oct | 134122535370 |
9 | 34831704226 |
10 | 12369705720 |
11 | 5278415a99 |
12 | 249270a620 |
13 | 122192a1c8 |
14 | 854b78368 |
15 | 4c5e4ced0 |
hex | 2e14abaf8 |
12369705720 has 32 divisors (see below), whose sum is σ = 37109117520. Its totient is φ = 3298588160.
The previous prime is 12369705713. The next prime is 12369705773. The reversal of 12369705720 is 2750796321.
It is a congruent number.
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, 51540321 + ... + 51540560.
Almost surely, 212369705720 is an apocalyptic number.
12369705720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12369705720 is an abundant number, since it is smaller than the sum of its proper divisors (24739411800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12369705720 is a wasteful number, since it uses less digits than its factorization.
12369705720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103080895 (or 103080891 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 42.
The spelling of 12369705720 in words is "twelve billion, three hundred sixty-nine million, seven hundred five thousand, seven hundred twenty".
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