Base | Representation |
---|---|
bin | 1111110000001… |
… | …11100010000111 |
3 | 100012122222200110 |
4 | 13320013202013 |
5 | 232312321211 |
6 | 21040244103 |
7 | 3163161066 |
oct | 770074207 |
9 | 305588613 |
10 | 132151431 |
11 | 68661365 |
12 | 38310633 |
13 | 214bcb19 |
14 | 137a01dd |
15 | b905ea6 |
hex | 7e07887 |
132151431 has 4 divisors (see below), whose sum is σ = 176201912. Its totient is φ = 88100952.
The previous prime is 132151429. The next prime is 132151483. The reversal of 132151431 is 134151231.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 132151431 - 21 = 132151429 is a prime.
It is a super-2 number, since 2×1321514312 = 34928001430695522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132151398 and 132151407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132111431) 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, 22025236 + ... + 22025241.
It is an arithmetic number, because the mean of its divisors is an integer number (44050478).
Almost surely, 2132151431 is an apocalyptic number.
132151431 is a deficient number, since it is larger than the sum of its proper divisors (44050481).
132151431 is an equidigital number, since it uses as much as digits as its factorization.
132151431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44050480.
The product of its digits is 360, while the sum is 21.
The square root of 132151431 is about 11495.7135924657. The cubic root of 132151431 is about 509.3589677717.
The spelling of 132151431 in words is "one hundred thirty-two million, one hundred fifty-one thousand, four hundred thirty-one".
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