Base | Representation |
---|---|
bin | 1111101111110… |
… | …11010001101111 |
3 | 100012120102211012 |
4 | 13313323101233 |
5 | 232304214411 |
6 | 21035215435 |
7 | 3162561533 |
oct | 767732157 |
9 | 305512735 |
10 | 132101231 |
11 | 68627679 |
12 | 382a757b |
13 | 214a3012 |
14 | 13789bc3 |
15 | b8e618b |
hex | 7dfb46f |
132101231 has 4 divisors (see below), whose sum is σ = 132911832. Its totient is φ = 131290632.
The previous prime is 132101197. The next prime is 132101239.
132101231 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-132101231 is a prime.
It is a super-2 number, since 2×1321012312 = 34901470463430722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132101239) 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, 405056 + ... + 405381.
It is an arithmetic number, because the mean of its divisors is an integer number (33227958).
Almost surely, 2132101231 is an apocalyptic number.
132101231 is a deficient number, since it is larger than the sum of its proper divisors (810601).
132101231 is an equidigital number, since it uses as much as digits as its factorization.
132101231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810600.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 132101231 is about 11493.5299625485. The cubic root of 132101231 is about 509.2944633407.
It can be divided in two parts, 13210 and 1231, that added together give a palindrome (14441).
The spelling of 132101231 in words is "one hundred thirty-two million, one hundred one thousand, two hundred thirty-one".
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