Base | Representation |
---|---|
bin | 10110101000101100… |
… | …11100000110110000 |
3 | 1011100221020100220200 |
4 | 23110112130012300 |
5 | 144342030233142 |
6 | 5325520035200 |
7 | 610103165562 |
oct | 132426340660 |
9 | 34327210820 |
10 | 12152586672 |
11 | 5176900266 |
12 | 2431a62b00 |
13 | 11b895abb5 |
14 | 833dbb332 |
15 | 4b1d6164c |
hex | 2d459c1b0 |
12152586672 has 30 divisors (see below), whose sum is σ = 34010364492. Its totient is φ = 4050862176.
The previous prime is 12152586653. The next prime is 12152586683. The reversal of 12152586672 is 27668525121.
12152586672 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 2 + 586 + 67 + 2 = 666.
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, 42196338 + ... + 42196625.
Almost surely, 212152586672 is an apocalyptic number.
12152586672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12152586672 is an abundant number, since it is smaller than the sum of its proper divisors (21857777820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12152586672 is a wasteful number, since it uses less digits than its factorization.
12152586672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84392977 (or 84392968 counting only the distinct ones).
The product of its digits is 403200, while the sum is 45.
The spelling of 12152586672 in words is "twelve billion, one hundred fifty-two million, five hundred eighty-six thousand, six hundred seventy-two".
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