Base | Representation |
---|---|
bin | 1111100100001… |
… | …01101011101010 |
3 | 100002200200201110 |
4 | 13302011223222 |
5 | 231411232421 |
6 | 20542331150 |
7 | 3143556300 |
oct | 762055352 |
9 | 302620643 |
10 | 130570986 |
11 | 67781a07 |
12 | 37889ab6 |
13 | 21088650 |
14 | 134ac270 |
15 | b6e2a76 |
hex | 7c85aea |
130570986 has 96 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 34038144.
The previous prime is 130570969. The next prime is 130570997. The reversal of 130570986 is 689075031.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485260 + ... + 485528.
It is an arithmetic number, because the mean of its divisors is an integer number (3447360).
Almost surely, 2130570986 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130570986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165473280).
130570986 is an abundant number, since it is smaller than the sum of its proper divisors (200375574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130570986 is a wasteful number, since it uses less digits than its factorization.
130570986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428 (or 421 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 130570986 is about 11426.7662092125. The cubic root of 130570986 is about 507.3202851584.
The spelling of 130570986 in words is "one hundred thirty million, five hundred seventy thousand, nine hundred eighty-six".
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