Base | Representation |
---|---|
bin | 111101001011101010… |
… | …1011001110001100110 |
3 | 110120010122200101201022 |
4 | 1322113111121301212 |
5 | 4123040311122334 |
6 | 140205300331142 |
7 | 12330626323535 |
oct | 1722725316146 |
9 | 416118611638 |
10 | 131387989094 |
11 | 507a310495a |
12 | 215696a3ab2 |
13 | c50b60935b |
14 | 650597231c |
15 | 363eb3482e |
hex | 1e97559c66 |
131387989094 has 8 divisors (see below), whose sum is σ = 197204475720. Its totient is φ = 65653163856.
The previous prime is 131387989087. The next prime is 131387989127. The reversal of 131387989094 is 490989783131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20411324 + ... + 20417759.
It is an arithmetic number, because the mean of its divisors is an integer number (24650559465).
Almost surely, 2131387989094 is an apocalyptic number.
131387989094 is a deficient number, since it is larger than the sum of its proper divisors (65816486626).
131387989094 is a wasteful number, since it uses less digits than its factorization.
131387989094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40830694.
The product of its (nonzero) digits is 11757312, while the sum is 62.
The spelling of 131387989094 in words is "one hundred thirty-one billion, three hundred eighty-seven million, nine hundred eighty-nine thousand, ninety-four".
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