Base | Representation |
---|---|
bin | 1111101011100… |
… | …11100000110000 |
3 | 100011112012000002 |
4 | 13311303200300 |
5 | 232133421021 |
6 | 21015245132 |
7 | 3155054342 |
oct | 765634060 |
9 | 304465002 |
10 | 131545136 |
11 | 68287898 |
12 | 380797a8 |
13 | 21339b78 |
14 | 13683292 |
15 | b83650b |
hex | 7d73830 |
131545136 has 20 divisors (see below), whose sum is σ = 255692712. Its totient is φ = 65559936.
The previous prime is 131545109. The next prime is 131545147. The reversal of 131545136 is 631545131.
It is a super-3 number, since 3×1315451363 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131545099 and 131545108.
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, 8126 + ... + 18141.
Almost surely, 2131545136 is an apocalyptic number.
131545136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
131545136 is a deficient number, since it is larger than the sum of its proper divisors (124147576).
131545136 is a wasteful number, since it uses less digits than its factorization.
131545136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26588 (or 26582 counting only the distinct ones).
The product of its digits is 5400, while the sum is 29.
The square root of 131545136 is about 11469.3127954555. The cubic root of 131545136 is about 508.5788140757.
The spelling of 131545136 in words is "one hundred thirty-one million, five hundred forty-five thousand, one hundred thirty-six".
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