Base | Representation |
---|---|
bin | 111101010100101000… |
… | …1110101000111001110 |
3 | 110120220122011111012002 |
4 | 1322221101311013032 |
5 | 4124144343324012 |
6 | 140255213112302 |
7 | 12341243251112 |
oct | 1725121650716 |
9 | 416818144162 |
10 | 131689042382 |
11 | 50938038727 |
12 | 21632488692 |
13 | c558ab56b1 |
14 | 653393b742 |
15 | 365b2a07c2 |
hex | 1ea94751ce |
131689042382 has 16 divisors (see below), whose sum is σ = 199092550320. Its totient is φ = 65325425088.
The previous prime is 131689042379. The next prime is 131689042391. The reversal of 131689042382 is 283240986131.
It is a congruent 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, 327653 + ... + 608879.
It is an arithmetic number, because the mean of its divisors is an integer number (12443284395).
Almost surely, 2131689042382 is an apocalyptic number.
131689042382 is a deficient number, since it is larger than the sum of its proper divisors (67403507938).
131689042382 is a wasteful number, since it uses less digits than its factorization.
131689042382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283075.
The product of its (nonzero) digits is 497664, while the sum is 47.
The spelling of 131689042382 in words is "one hundred thirty-one billion, six hundred eighty-nine million, forty-two thousand, three hundred eighty-two".
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