Base | Representation |
---|---|
bin | 1111100001100… |
… | …10011100100011 |
3 | 100002001101001020 |
4 | 13300302130203 |
5 | 231314330201 |
6 | 20531140523 |
7 | 3140636310 |
oct | 760623443 |
9 | 302041036 |
10 | 130230051 |
11 | 67569846 |
12 | 37744743 |
13 | 20c99403 |
14 | 1341dd07 |
15 | b676a36 |
hex | 7c32723 |
130230051 has 32 divisors (see below), whose sum is σ = 204249600. Its totient is φ = 72272640.
The previous prime is 130230019. The next prime is 130230053. The reversal of 130230051 is 150032031.
It is a happy number.
It is not a de Polignac number, because 130230051 - 25 = 130230019 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130230051.
It is not an unprimeable number, because it can be changed into a prime (130230053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109681 + ... + 110861.
It is an arithmetic number, because the mean of its divisors is an integer number (6382800).
Almost surely, 2130230051 is an apocalyptic number.
130230051 is a deficient number, since it is larger than the sum of its proper divisors (74019549).
130230051 is a wasteful number, since it uses less digits than its factorization.
130230051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1339.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 130230051 is about 11411.8381954881. The cubic root of 130230051 is about 506.8783441948.
Adding to 130230051 its reverse (150032031), we get a palindrome (280262082).
It can be divided in two parts, 130 and 230051, that added together give a triangular number (230181 = T678).
The spelling of 130230051 in words is "one hundred thirty million, two hundred thirty thousand, fifty-one".
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