Base | Representation |
---|---|
bin | 1111100011010… |
… | …00011011110100 |
3 | 100002110121101111 |
4 | 13301220123310 |
5 | 231343414223 |
6 | 20540004404 |
7 | 3142550110 |
oct | 761503364 |
9 | 302417344 |
10 | 130451188 |
11 | 676aa9aa |
12 | 37830704 |
13 | 21045c6a |
14 | 1347a740 |
15 | b6bc30d |
hex | 7c686f4 |
130451188 has 24 divisors (see below), whose sum is σ = 274635200. Its totient is φ = 52964928.
The previous prime is 130451177. The next prime is 130451213. The reversal of 130451188 is 881154031.
It is a super-2 number, since 2×1304511882 = 34035024901222688, which contains 22 as substring.
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, 122073 + ... + 123136.
Almost surely, 2130451188 is an apocalyptic number.
It is an amenable number.
130451188 is an abundant number, since it is smaller than the sum of its proper divisors (144184012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130451188 is a wasteful number, since it uses less digits than its factorization.
130451188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245239 (or 245237 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 31.
The square root of 130451188 is about 11421.5230157803. The cubic root of 130451188 is about 507.1650833686.
The spelling of 130451188 in words is "one hundred thirty million, four hundred fifty-one thousand, one hundred eighty-eight".
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