Base | Representation |
---|---|
bin | 1111100111100… |
… | …11010100010100 |
3 | 100010112111201112 |
4 | 13303303110110 |
5 | 232020120202 |
6 | 21000114152 |
7 | 3150436442 |
oct | 763632424 |
9 | 303474645 |
10 | 131020052 |
11 | 67a59339 |
12 | 37a65958 |
13 | 211b4b77 |
14 | 13587b92 |
15 | b780b52 |
hex | 7cf3514 |
131020052 has 24 divisors (see below), whose sum is σ = 240749376. Its totient is φ = 62270208.
The previous prime is 131020049. The next prime is 131020069. The reversal of 131020052 is 250020131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10628 + ... + 19364.
It is an arithmetic number, because the mean of its divisors is an integer number (10031224).
Almost surely, 2131020052 is an apocalyptic number.
It is an amenable number.
131020052 is a deficient number, since it is larger than the sum of its proper divisors (109729324).
131020052 is a wasteful number, since it uses less digits than its factorization.
131020052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8927 (or 8925 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 131020052 is about 11446.3990844283. The cubic root of 131020052 is about 507.9012197626.
Adding to 131020052 its reverse (250020131), we get a palindrome (381040183).
The spelling of 131020052 in words is "one hundred thirty-one million, twenty thousand, fifty-two".
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