Base | Representation |
---|---|
bin | 1111100100000… |
… | …01110100000000 |
3 | 100002122212222102 |
4 | 13302001310000 |
5 | 231410231021 |
6 | 20542125532 |
7 | 3143462135 |
oct | 762016400 |
9 | 302585872 |
10 | 130555136 |
11 | 67771008 |
12 | 378808a8 |
13 | 2108137a |
14 | 134a658c |
15 | b6dd00b |
hex | 7c81d00 |
130555136 has 36 divisors (see below), whose sum is σ = 269023104. Its totient is φ = 63168000.
The previous prime is 130555133. The next prime is 130555177. The reversal of 130555136 is 631555031.
It is a junction number, because it is equal to n+sod(n) for n = 130555099 and 130555108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130555133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 16161.
It is an arithmetic number, because the mean of its divisors is an integer number (7472864).
Almost surely, 2130555136 is an apocalyptic number.
130555136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
130555136 is an abundant number, since it is smaller than the sum of its proper divisors (138467968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130555136 is an equidigital number, since it uses as much as digits as its factorization.
130555136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16498 (or 16484 counting only the distinct ones).
The product of its (nonzero) digits is 6750, while the sum is 29.
The square root of 130555136 is about 11426.0726411134. The cubic root of 130555136 is about 507.2997564734.
The spelling of 130555136 in words is "one hundred thirty million, five hundred fifty-five thousand, one hundred thirty-six".
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