Base | Representation |
---|---|
bin | 111101000010010001… |
… | …1011101010001011010 |
3 | 110112022200210112102022 |
4 | 1322010203131101122 |
5 | 4121414131000310 |
6 | 140114123134442 |
7 | 12320052215102 |
oct | 1720443352132 |
9 | 415280715368 |
10 | 131072906330 |
11 | 50651269583 |
12 | 214a0074422 |
13 | c48b25a352 |
14 | 64b5b94202 |
15 | 3622146a55 |
hex | 1e848dd45a |
131072906330 has 16 divisors (see below), whose sum is σ = 236961502920. Its totient is φ = 52200213312.
The previous prime is 131072906291. The next prime is 131072906381. The reversal of 131072906330 is 33609270131.
It can be written as a sum of positive squares in 4 ways, for example, as 128234893801 + 2838012529 = 358099^2 + 53273^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28616249 + ... + 28620828.
Almost surely, 2131072906330 is an apocalyptic number.
131072906330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131072906330 is a deficient number, since it is larger than the sum of its proper divisors (105888596590).
131072906330 is a wasteful number, since it uses less digits than its factorization.
131072906330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57237313.
The product of its (nonzero) digits is 20412, while the sum is 35.
The spelling of 131072906330 in words is "one hundred thirty-one billion, seventy-two million, nine hundred six thousand, three hundred thirty".
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