Base | Representation |
---|---|
bin | 1111101111001… |
… | …01110101110111 |
3 | 100012101222101100 |
4 | 13313211311313 |
5 | 232243412211 |
6 | 21033301143 |
7 | 3162044544 |
oct | 767456567 |
9 | 305358340 |
10 | 132013431 |
11 | 68577710 |
12 | 382647b3 |
13 | 21472074 |
14 | 13765bcb |
15 | b8ca156 |
hex | 7de5d77 |
132013431 has 24 divisors (see below), whose sum is σ = 208391040. Its totient is φ = 79866000.
The previous prime is 132013417. The next prime is 132013457. The reversal of 132013431 is 134310231.
132013431 is a `hidden beast` number, since 1 + 320 + 1 + 343 + 1 = 666.
It is not a de Polignac number, because 132013431 - 27 = 132013303 is a prime.
It is a super-2 number, since 2×1320134312 = 34855091928783522, which contains 22 as substring.
132013431 is a modest number, since divided by 13431 gives 132 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132013471) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90256 + ... + 91706.
It is an arithmetic number, because the mean of its divisors is an integer number (8682960).
Almost surely, 2132013431 is an apocalyptic number.
132013431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
132013431 is a deficient number, since it is larger than the sum of its proper divisors (76377609).
132013431 is a wasteful number, since it uses less digits than its factorization.
132013431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2387 (or 2384 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 132013431 is about 11489.7097874576. The cubic root of 132013431 is about 509.1816055374.
Adding to 132013431 its reverse (134310231), we get a palindrome (266323662).
The spelling of 132013431 in words is "one hundred thirty-two million, thirteen thousand, four hundred thirty-one".
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