Base | Representation |
---|---|
bin | 10110110101011000… |
… | …10110110100010000 |
3 | 1011122100110111100100 |
4 | 23122230112310100 |
5 | 200101300323342 |
6 | 5344240452400 |
7 | 612534512403 |
oct | 133254266420 |
9 | 34570414310 |
10 | 12258995472 |
11 | 5220979819 |
12 | 246161a100 |
13 | 1204a06799 |
14 | 844199d3a |
15 | 4bb37ee4c |
hex | 2dab16d10 |
12258995472 has 60 divisors (see below), whose sum is σ = 36113861680. Its totient is φ = 3871260864.
The previous prime is 12258995471. The next prime is 12258995501. The reversal of 12258995472 is 27459985221.
12258995472 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 8 + 99 + 547 + 2 = 666.
It is not an unprimeable number, because it can be changed into a prime (12258995471) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2237578 + ... + 2243049.
Almost surely, 212258995472 is an apocalyptic number.
12258995472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12258995472 is an abundant number, since it is smaller than the sum of its proper divisors (23854866208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12258995472 is a wasteful number, since it uses less digits than its factorization.
12258995472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4480660 (or 4480651 counting only the distinct ones).
The product of its digits is 3628800, while the sum is 54.
The spelling of 12258995472 in words is "twelve billion, two hundred fifty-eight million, nine hundred ninety-five thousand, four hundred seventy-two".
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