Base | Representation |
---|---|
bin | 111101001110110110… |
… | …0100101110011100000 |
3 | 110120102002112110001100 |
4 | 1322131230211303200 |
5 | 4123300122342401 |
6 | 140224032234400 |
7 | 12333363525420 |
oct | 1723554456340 |
9 | 416362473040 |
10 | 131494730976 |
11 | 50848390694 |
12 | 2159939ba00 |
13 | c52777072b |
14 | 6515bda480 |
15 | 36491bbb86 |
hex | 1e9db25ce0 |
131494730976 has 144 divisors (see below), whose sum is σ = 438908337504. Its totient is φ = 36554499072.
The previous prime is 131494730921. The next prime is 131494730987. The reversal of 131494730976 is 679037494131.
131494730976 is a `hidden beast` number, since 1 + 31 + 494 + 7 + 30 + 97 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×1314947309762 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806835 + ... + 956018.
It is an arithmetic number, because the mean of its divisors is an integer number (3047974566).
Almost surely, 2131494730976 is an apocalyptic number.
131494730976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
131494730976 is an abundant number, since it is smaller than the sum of its proper divisors (307413606528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131494730976 is a wasteful number, since it uses less digits than its factorization.
131494730976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1762913 (or 1762902 counting only the distinct ones).
The product of its (nonzero) digits is 3429216, while the sum is 54.
The spelling of 131494730976 in words is "one hundred thirty-one billion, four hundred ninety-four million, seven hundred thirty thousand, nine hundred seventy-six".
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