Base | Representation |
---|---|
bin | 111101000000001111… |
… | …0100011000011000000 |
3 | 110112010221002122211201 |
4 | 1322000132203003000 |
5 | 4121244123313100 |
6 | 140103241150544 |
7 | 12315261652051 |
oct | 1720036430300 |
9 | 415127078751 |
10 | 131004510400 |
11 | 506166a3715 |
12 | 2148118b454 |
13 | c47a03099a |
14 | 64aaa6c728 |
15 | 361b13636a |
hex | 1e807a30c0 |
131004510400 has 84 divisors (see below), whose sum is σ = 327164479528. Its totient is φ = 51619645440.
The previous prime is 131004510397. The next prime is 131004510421. The reversal of 131004510400 is 4015400131.
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, 503829 + ... + 718228.
Almost surely, 2131004510400 is an apocalyptic number.
131004510400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131004510400 is an abundant number, since it is smaller than the sum of its proper divisors (196159969128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131004510400 is a wasteful number, since it uses less digits than its factorization.
131004510400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1222146 (or 1222131 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
Adding to 131004510400 its reverse (4015400131), we get a palindrome (135019910531).
The spelling of 131004510400 in words is "one hundred thirty-one billion, four million, five hundred ten thousand, four hundred".
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