Base | Representation |
---|---|
bin | 1011011111101011001000… |
… | …0000100111010100000000 |
3 | 1122202020220022220000121222 |
4 | 2313322302000213110000 |
5 | 3124033210223242204 |
6 | 42514101524334212 |
7 | 2443056520623260 |
oct | 267726200472400 |
9 | 48666808800558 |
10 | 12638780290304 |
11 | 4033092a884a3 |
12 | 1501591b44368 |
13 | 708aa77c6c1c |
14 | 319a1244d7a0 |
15 | 16db6c644abe |
hex | b7eb2027500 |
12638780290304 has 72 divisors (see below), whose sum is σ = 28951854283968. Its totient is φ = 5394144337920.
The previous prime is 12638780290223. The next prime is 12638780290379. The reversal of 12638780290304 is 40309208783621.
It is a congruent number.
It is an unprimeable number.
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, 14200682 + ... + 15064425.
Almost surely, 212638780290304 is an apocalyptic number.
12638780290304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12638780290304 is an abundant number, since it is smaller than the sum of its proper divisors (16313073993664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12638780290304 is an equidigital number, since it uses as much as digits as its factorization.
12638780290304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29265371 (or 29265357 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 53.
The spelling of 12638780290304 in words is "twelve trillion, six hundred thirty-eight billion, seven hundred eighty million, two hundred ninety thousand, three hundred four".
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