Base | Representation |
---|---|
bin | 1111101000111… |
… | …11110000000100 |
3 | 100010212202101021 |
4 | 13310133300010 |
5 | 232041431202 |
6 | 21004040524 |
7 | 3152125162 |
oct | 764376004 |
9 | 303782337 |
10 | 131202052 |
11 | 68073053 |
12 | 37b33144 |
13 | 21249967 |
14 | 135d4232 |
15 | b7b9a37 |
hex | 7d1fc04 |
131202052 has 6 divisors (see below), whose sum is σ = 229603598. Its totient is φ = 65601024.
The previous prime is 131202041. The next prime is 131202053. The reversal of 131202052 is 250202131.
It can be written as a sum of positive squares in only one way, i.e., 66977856 + 64224196 = 8184^2 + 8014^2 .
It is not an unprimeable number, because it can be changed into a prime (131202053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16400253 + ... + 16400260.
Almost surely, 2131202052 is an apocalyptic number.
It is an amenable number.
131202052 is a deficient number, since it is larger than the sum of its proper divisors (98401546).
131202052 is a wasteful number, since it uses less digits than its factorization.
131202052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32800517 (or 32800515 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 131202052 is about 11454.3464239563. The cubic root of 131202052 is about 508.1362862065.
Adding to 131202052 its reverse (250202131), we get a palindrome (381404183).
The spelling of 131202052 in words is "one hundred thirty-one million, two hundred two thousand, fifty-two".
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