Base | Representation |
---|---|
bin | 1111101011001… |
… | …01111011101100 |
3 | 100011102100201002 |
4 | 13311211323230 |
5 | 232130131031 |
6 | 21014135432 |
7 | 3154433234 |
oct | 765457354 |
9 | 304370632 |
10 | 131489516 |
11 | 6824a024 |
12 | 38051578 |
13 | 2131a762 |
14 | 1366acc4 |
15 | b824ccb |
hex | 7d65eec |
131489516 has 6 divisors (see below), whose sum is σ = 230106660. Its totient is φ = 65744756.
The previous prime is 131489489. The next prime is 131489521. The reversal of 131489516 is 615984131.
It is a self number, because there is not a number n which added to its sum of digits gives 131489516.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16436186 + ... + 16436193.
It is an arithmetic number, because the mean of its divisors is an integer number (38351110).
Almost surely, 2131489516 is an apocalyptic number.
It is an amenable number.
131489516 is a deficient number, since it is larger than the sum of its proper divisors (98617144).
131489516 is a wasteful number, since it uses less digits than its factorization.
131489516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32872383 (or 32872381 counting only the distinct ones).
The product of its digits is 25920, while the sum is 38.
The square root of 131489516 is about 11466.8878079451. The cubic root of 131489516 is about 508.5071247624.
The spelling of 131489516 in words is "one hundred thirty-one million, four hundred eighty-nine thousand, five hundred sixteen".
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