Base | Representation |
---|---|
bin | 1111101101101… |
… | …10100110011100 |
3 | 100012001010221201 |
4 | 13312312212130 |
5 | 232221214212 |
6 | 21025205244 |
7 | 3160310446 |
oct | 766664634 |
9 | 305033851 |
10 | 131819932 |
11 | 684552a2 |
12 | 38190824 |
13 | 21404c7a |
14 | 13715496 |
15 | b88cb57 |
hex | 7db699c |
131819932 has 6 divisors (see below), whose sum is σ = 230684888. Its totient is φ = 65909964.
The previous prime is 131819927. The next prime is 131819951. The reversal of 131819932 is 239918131.
It is a junction number, because it is equal to n+sod(n) for n = 131819891 and 131819900.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16477488 + ... + 16477495.
Almost surely, 2131819932 is an apocalyptic number.
It is an amenable number.
131819932 is a deficient number, since it is larger than the sum of its proper divisors (98864956).
131819932 is a wasteful number, since it uses less digits than its factorization.
131819932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32954987 (or 32954985 counting only the distinct ones).
The product of its digits is 11664, while the sum is 37.
The square root of 131819932 is about 11481.2861648859. The cubic root of 131819932 is about 508.9327058401.
It can be divided in two parts, 1318 and 19932, that multiplied together give a triangular number (26270376 = T7248).
The spelling of 131819932 in words is "one hundred thirty-one million, eight hundred nineteen thousand, nine hundred thirty-two".
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