Base | Representation |
---|---|
bin | 10110110101010001… |
… | …11111010100101000 |
3 | 1011122021210122120002 |
4 | 23122220333110220 |
5 | 200101034102213 |
6 | 5344205522132 |
7 | 612524145134 |
oct | 133250772450 |
9 | 34567718502 |
10 | 12258112808 |
11 | 5220426647 |
12 | 2461273348 |
13 | 1204787ab6 |
14 | 84400a3c4 |
15 | 4bb258658 |
hex | 2daa3f528 |
12258112808 has 16 divisors (see below), whose sum is σ = 24193644000. Its totient is φ = 5806474416.
The previous prime is 12258112793. The next prime is 12258112829. The reversal of 12258112808 is 80821185221.
It is a super-2 number, since 2×122581128082 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40322588 + ... + 40322891.
It is an arithmetic number, because the mean of its divisors is an integer number (1512102750).
Almost surely, 212258112808 is an apocalyptic number.
It is an amenable number.
12258112808 is a deficient number, since it is larger than the sum of its proper divisors (11935531192).
12258112808 is a wasteful number, since it uses less digits than its factorization.
12258112808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80645504 (or 80645500 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 38.
The spelling of 12258112808 in words is "twelve billion, two hundred fifty-eight million, one hundred twelve thousand, eight hundred eight".
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