Base | Representation |
---|---|
bin | 1111101000010… |
… | …11110101010000 |
3 | 100010201121110111 |
4 | 13310023311100 |
5 | 232031323324 |
6 | 21002211104 |
7 | 3151335256 |
oct | 764136520 |
9 | 303647414 |
10 | 131120464 |
11 | 68017822 |
12 | 37ab3a94 |
13 | 2121b797 |
14 | 135b25d6 |
15 | b7a0794 |
hex | 7d0bd50 |
131120464 has 20 divisors (see below), whose sum is σ = 255256480. Its totient is φ = 65247840.
The previous prime is 131120461. The next prime is 131120497. The reversal of 131120464 is 464021131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131120461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16044 + ... + 22795.
It is an arithmetic number, because the mean of its divisors is an integer number (12762824).
Almost surely, 2131120464 is an apocalyptic number.
It is an amenable number.
131120464 is a deficient number, since it is larger than the sum of its proper divisors (124136016).
131120464 is a wasteful number, since it uses less digits than its factorization.
131120464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39058 (or 39052 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 131120464 is about 11450.7844272783. The cubic root of 131120464 is about 508.0309361779.
Adding to 131120464 its reverse (464021131), we get a palindrome (595141595).
The spelling of 131120464 in words is "one hundred thirty-one million, one hundred twenty thousand, four hundred sixty-four".
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