Base | Representation |
---|---|
bin | 1111100001001… |
… | …11100101110110 |
3 | 100001222010001112 |
4 | 13300213211312 |
5 | 231311414330 |
6 | 20530155022 |
7 | 3140362553 |
oct | 760474566 |
9 | 301863045 |
10 | 130185590 |
11 | 675393a7 |
12 | 37722a72 |
13 | 20c820c2 |
14 | 1340ba2a |
15 | b668795 |
hex | 7c27976 |
130185590 has 32 divisors (see below), whose sum is σ = 239207904. Its totient is φ = 50999040.
The previous prime is 130185581. The next prime is 130185599. The reversal of 130185590 is 95581031.
It is an interprime number because it is at equal distance from previous prime (130185581) and next prime (130185599).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130185599) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278537 + ... + 279003.
It is an arithmetic number, because the mean of its divisors is an integer number (7475247).
Almost surely, 2130185590 is an apocalyptic number.
130185590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130185590 is a deficient number, since it is larger than the sum of its proper divisors (109022314).
130185590 is a wasteful number, since it uses less digits than its factorization.
130185590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 992.
The product of its (nonzero) digits is 5400, while the sum is 32.
The square root of 130185590 is about 11409.8900082341. The cubic root of 130185590 is about 506.8206542760.
The spelling of 130185590 in words is "one hundred thirty million, one hundred eighty-five thousand, five hundred ninety".
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