Base | Representation |
---|---|
bin | 1111100001110… |
… | …00110010111000 |
3 | 100002002200201101 |
4 | 13300320302320 |
5 | 231321143211 |
6 | 20531501144 |
7 | 3141105160 |
oct | 760706270 |
9 | 302080641 |
10 | 130256056 |
11 | 67587337 |
12 | 377577b4 |
13 | 20ca81b8 |
14 | 134295a0 |
15 | b67e5c1 |
hex | 7c38cb8 |
130256056 has 32 divisors (see below), whose sum is σ = 279519840. Its totient is φ = 55744128.
The previous prime is 130256053. The next prime is 130256059. The reversal of 130256056 is 650652031.
It is an interprime number because it is at equal distance from previous prime (130256053) and next prime (130256059).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130256053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54666 + ... + 56998.
It is an arithmetic number, because the mean of its divisors is an integer number (8734995).
Almost surely, 2130256056 is an apocalyptic number.
It is an amenable number.
130256056 is an abundant number, since it is smaller than the sum of its proper divisors (149263784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130256056 is a wasteful number, since it uses less digits than its factorization.
130256056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3343 (or 3339 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 130256056 is about 11412.9775256065. The cubic root of 130256056 is about 506.9120806327.
The spelling of 130256056 in words is "one hundred thirty million, two hundred fifty-six thousand, fifty-six".
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