Base | Representation |
---|---|
bin | 1111101011010… |
… | …10111110001000 |
3 | 100011110102000101 |
4 | 13311222332020 |
5 | 232131311102 |
6 | 21014415144 |
7 | 3154550344 |
oct | 765527610 |
9 | 304412011 |
10 | 131510152 |
11 | 68263584 |
12 | 380614b4 |
13 | 21326c77 |
14 | 13674624 |
15 | b82ae87 |
hex | 7d6af88 |
131510152 has 8 divisors (see below), whose sum is σ = 246581550. Its totient is φ = 65755072.
The previous prime is 131510149. The next prime is 131510161. The reversal of 131510152 is 251015131.
It can be written as a sum of positive squares in only one way, i.e., 81468676 + 50041476 = 9026^2 + 7074^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8219377 + ... + 8219392.
Almost surely, 2131510152 is an apocalyptic number.
It is an amenable number.
131510152 is a deficient number, since it is larger than the sum of its proper divisors (115071398).
131510152 is a wasteful number, since it uses less digits than its factorization.
131510152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16438775 (or 16438771 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 19.
The square root of 131510152 is about 11467.7875808719. The cubic root of 131510152 is about 508.5337251192.
Adding to 131510152 its reverse (251015131), we get a palindrome (382525283).
The spelling of 131510152 in words is "one hundred thirty-one million, five hundred ten thousand, one hundred fifty-two".
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