Base | Representation |
---|---|
bin | 10111101101100101… |
… | …11101100000111100 |
3 | 1012212012122211201121 |
4 | 23312302331200330 |
5 | 202033001121032 |
6 | 5503122320324 |
7 | 630321240652 |
oct | 136662754074 |
9 | 35765584647 |
10 | 12730488892 |
11 | 5443035800 |
12 | 25734b90a4 |
13 | 127b5ba584 |
14 | 88aa50dd2 |
15 | 4e7966a97 |
hex | 2f6cbd83c |
12730488892 has 36 divisors (see below), whose sum is σ = 25277737408. Its totient is φ = 5599915200.
The previous prime is 12730488877. The next prime is 12730488919. The reversal of 12730488892 is 29888403721.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409233 + ... + 439240.
Almost surely, 212730488892 is an apocalyptic number.
It is an amenable number.
12730488892 is a deficient number, since it is larger than the sum of its proper divisors (12547248516).
12730488892 is a wasteful number, since it uses less digits than its factorization.
12730488892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 848530 (or 848517 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 52.
The spelling of 12730488892 in words is "twelve billion, seven hundred thirty million, four hundred eighty-eight thousand, eight hundred ninety-two".
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