Base | Representation |
---|---|
bin | 1011010110110011101101… |
… | …1111111000110100100100 |
3 | 1122012200202102201022212200 |
4 | 2311230323133320310210 |
5 | 3114034241321110140 |
6 | 42320112042414500 |
7 | 2426055215013024 |
oct | 265547337706444 |
9 | 48180672638780 |
10 | 12486468144420 |
11 | 3a84532822986 |
12 | 1497b64b01430 |
13 | 6c761320c10a |
14 | 3124c398ba84 |
15 | 169c05a95030 |
hex | b5b3b7f8d24 |
12486468144420 has 36 divisors (see below), whose sum is σ = 37875620038620. Its totient is φ = 3329724838464.
The previous prime is 12486468144419. The next prime is 12486468144559. The reversal of 12486468144420 is 2444186468421.
12486468144420 is a `hidden beast` number, since 1 + 2 + 4 + 86 + 46 + 81 + 4 + 442 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2100505273344 + 10385962871076 = 1449312^2 + 3222726^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34684633555 + ... + 34684633914.
Almost surely, 212486468144420 is an apocalyptic number.
12486468144420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12486468144420 is an abundant number, since it is smaller than the sum of its proper divisors (25389151894200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12486468144420 is a wasteful number, since it uses less digits than its factorization.
12486468144420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69369267484 (or 69369267479 counting only the distinct ones).
The product of its (nonzero) digits is 9437184, while the sum is 54.
The spelling of 12486468144420 in words is "twelve trillion, four hundred eighty-six billion, four hundred sixty-eight million, one hundred forty-four thousand, four hundred twenty".
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