Base | Representation |
---|---|
bin | 1111101001000… |
… | …00000000111100 |
3 | 100010212210212021 |
4 | 13310200000330 |
5 | 232042000012 |
6 | 21004045524 |
7 | 3152131264 |
oct | 764400074 |
9 | 303783767 |
10 | 131203132 |
11 | 68073945 |
12 | 37b338a4 |
13 | 2124a2b8 |
14 | 135d47a4 |
15 | b7ba007 |
hex | 7d2003c |
131203132 has 48 divisors (see below), whose sum is σ = 257725440. Its totient is φ = 58145472.
The previous prime is 131203117. The next prime is 131203139. The reversal of 131203132 is 231302131.
131203132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131203139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81358 + ... + 82954.
It is an arithmetic number, because the mean of its divisors is an integer number (5369280).
Almost surely, 2131203132 is an apocalyptic number.
It is an amenable number.
131203132 is a deficient number, since it is larger than the sum of its proper divisors (126522308).
131203132 is a wasteful number, since it uses less digits than its factorization.
131203132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1690 (or 1688 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 131203132 is about 11454.3935675356. The cubic root of 131203132 is about 508.1376804573.
Adding to 131203132 its reverse (231302131), we get a palindrome (362505263).
The spelling of 131203132 in words is "one hundred thirty-one million, two hundred three thousand, one hundred thirty-two".
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