Base | Representation |
---|---|
bin | 11111110010111000… |
… | …111101000100101100 |
3 | 10021010021000220022110 |
4 | 133302320331010230 |
5 | 1024404241200224 |
6 | 23403354044020 |
7 | 2316005256231 |
oct | 376270750454 |
9 | 107107026273 |
10 | 34139787564 |
11 | 1352a024773 |
12 | 6749419610 |
13 | 32b0c4b23c |
14 | 191c189788 |
15 | d4c2b2929 |
hex | 7f2e3d12c |
34139787564 has 48 divisors (see below), whose sum is σ = 81701706240. Its totient is φ = 11089417920.
The previous prime is 34139787541. The next prime is 34139787569. The reversal of 34139787564 is 46578793143.
It is not an unprimeable number, because it can be changed into a prime (34139787569) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145642 + ... + 299150.
It is an arithmetic number, because the mean of its divisors is an integer number (1702118880).
Almost surely, 234139787564 is an apocalyptic number.
It is an amenable number.
34139787564 is an abundant number, since it is smaller than the sum of its proper divisors (47561918676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34139787564 is a wasteful number, since it uses less digits than its factorization.
34139787564 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153990 (or 153988 counting only the distinct ones).
The product of its digits is 15240960, while the sum is 57.
The spelling of 34139787564 in words is "thirty-four billion, one hundred thirty-nine million, seven hundred eighty-seven thousand, five hundred sixty-four".
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