Base | Representation |
---|---|
bin | 111100101001001110… |
… | …0001001110110111010 |
3 | 110110011002201201111100 |
4 | 1321102130021312322 |
5 | 4113203411143002 |
6 | 135454450312230 |
7 | 12260162564061 |
oct | 1712234116672 |
9 | 413132651440 |
10 | 130232131002 |
11 | 5025a708636 |
12 | 212a6588676 |
13 | c385ccba5c |
14 | 64362531d8 |
15 | 35c341811c |
hex | 1e52709dba |
130232131002 has 48 divisors (see below), whose sum is σ = 291972681000. Its totient is φ = 41903296512.
The previous prime is 130232130997. The next prime is 130232131061. The reversal of 130232131002 is 200131232031.
130232131002 is a `hidden beast` number, since 1 + 30 + 2 + 321 + 310 + 0 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 124326054801 + 5906076201 = 352599^2 + 76851^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2209774 + ... + 2267942.
Almost surely, 2130232131002 is an apocalyptic number.
130232131002 is an abundant number, since it is smaller than the sum of its proper divisors (161740549998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130232131002 is a wasteful number, since it uses less digits than its factorization.
130232131002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62495 (or 62492 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 130232131002 its reverse (200131232031), we get a palindrome (330363363033).
The spelling of 130232131002 in words is "one hundred thirty billion, two hundred thirty-two million, one hundred thirty-one thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •