Base | Representation |
---|---|
bin | 11000000011100010… |
… | …01100001101010101 |
3 | 1020100001001100020200 |
4 | 30001301030031111 |
5 | 202422112333130 |
6 | 5533300051113 |
7 | 635015032503 |
oct | 140161141525 |
9 | 36301040220 |
10 | 12914574165 |
11 | 5527a38799 |
12 | 2605093a99 |
13 | 12aa791a7c |
14 | 8a728d673 |
15 | 508bca760 |
hex | 301c4c355 |
12914574165 has 24 divisors (see below), whose sum is σ = 22990271928. Its totient is φ = 6701616000.
The previous prime is 12914574121. The next prime is 12914574199. The reversal of 12914574165 is 56147541921.
12914574165 is a `hidden beast` number, since 1 + 2 + 9 + 14 + 574 + 1 + 65 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 5908381956 + 7006192209 = 76866^2 + 83703^2 .
It is not a de Polignac number, because 12914574165 - 28 = 12914573909 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 12914574165.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3876586 + ... + 3879915.
It is an arithmetic number, because the mean of its divisors is an integer number (957927997).
Almost surely, 212914574165 is an apocalyptic number.
12914574165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12914574165 is a deficient number, since it is larger than the sum of its proper divisors (10075697763).
12914574165 is a wasteful number, since it uses less digits than its factorization.
12914574165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7756549 (or 7756546 counting only the distinct ones).
The product of its digits is 302400, while the sum is 45.
The spelling of 12914574165 in words is "twelve billion, nine hundred fourteen million, five hundred seventy-four thousand, one hundred sixty-five".
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