Base | Representation |
---|---|
bin | 10111100111100101… |
… | …11000101100000000 |
3 | 1012201200220201120012 |
4 | 23303302320230000 |
5 | 201432103344342 |
6 | 5454123204052 |
7 | 626140250552 |
oct | 136362705400 |
9 | 35650821505 |
10 | 12680137472 |
11 | 5417674a62 |
12 | 255a676628 |
13 | 127103b232 |
14 | 8840a54d2 |
15 | 4e331cb82 |
hex | 2f3cb8b00 |
12680137472 has 18 divisors (see below), whose sum is σ = 25310743668. Its totient is φ = 6340068608.
The previous prime is 12680137453. The next prime is 12680137507. The reversal of 12680137472 is 27473108621.
It is a super-4 number, since 4×126801374724 (a number of 42 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24765638 + ... + 24766149.
It is an arithmetic number, because the mean of its divisors is an integer number (1406152426).
Almost surely, 212680137472 is an apocalyptic number.
It is an amenable number.
12680137472 is a deficient number, since it is larger than the sum of its proper divisors (12630606196).
12680137472 is an frugal number, since it uses more digits than its factorization.
12680137472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49531803 (or 49531789 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 41.
The spelling of 12680137472 in words is "twelve billion, six hundred eighty million, one hundred thirty-seven thousand, four hundred seventy-two".
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