Base | Representation |
---|---|
bin | 1111100001001… |
… | …01111010111110 |
3 | 100001221202200012 |
4 | 13300211322332 |
5 | 231311210000 |
6 | 20530103222 |
7 | 3140333612 |
oct | 760457276 |
9 | 301852605 |
10 | 130178750 |
11 | 67534249 |
12 | 3771ab12 |
13 | 20c7bc60 |
14 | 13409342 |
15 | b666735 |
hex | 7c25ebe |
130178750 has 40 divisors (see below), whose sum is σ = 262809624. Its totient is φ = 48060000.
The previous prime is 130178749. The next prime is 130178779. The reversal of 130178750 is 57871031.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12245 + ... + 20255.
Almost surely, 2130178750 is an apocalyptic number.
130178750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130178750 is an abundant number, since it is smaller than the sum of its proper divisors (132630874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130178750 is an equidigital number, since it uses as much as digits as its factorization.
130178750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8046 (or 8031 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 32.
The square root of 130178750 is about 11409.5902643346. The cubic root of 130178750 is about 506.8117779378.
The spelling of 130178750 in words is "one hundred thirty million, one hundred seventy-eight thousand, seven hundred fifty".
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