Base | Representation |
---|---|
bin | 10111101111001110… |
… | …00110011111100110 |
3 | 1012220011101021001200 |
4 | 23313213012133212 |
5 | 202100001012113 |
6 | 5504331303330 |
7 | 630545356065 |
oct | 136747063746 |
9 | 35804337050 |
10 | 12744157158 |
11 | 544a820997 |
12 | 2577baab46 |
13 | 12813949c5 |
14 | 88c7ac1dc |
15 | 4e8c66873 |
hex | 2f79c67e6 |
12744157158 has 12 divisors (see below), whose sum is σ = 27612340548. Its totient is φ = 4248052380.
The previous prime is 12744157103. The next prime is 12744157163. The reversal of 12744157158 is 85175144721.
12744157158 is a `hidden beast` number, since 1 + 2 + 7 + 441 + 57 + 158 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354004348 + ... + 354004383.
It is an arithmetic number, because the mean of its divisors is an integer number (2301028379).
Almost surely, 212744157158 is an apocalyptic number.
12744157158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
12744157158 is an abundant number, since it is smaller than the sum of its proper divisors (14868183390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12744157158 is a wasteful number, since it uses less digits than its factorization.
12744157158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708008739 (or 708008736 counting only the distinct ones).
The product of its digits is 313600, while the sum is 45.
The spelling of 12744157158 in words is "twelve billion, seven hundred forty-four million, one hundred fifty-seven thousand, one hundred fifty-eight".
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