Base | Representation |
---|---|
bin | 1111100001011… |
… | …10001010101100 |
3 | 100002000111000002 |
4 | 13300232022230 |
5 | 231313300044 |
6 | 20530523432 |
7 | 3140534231 |
oct | 760561254 |
9 | 302014002 |
10 | 130212524 |
11 | 67557662 |
12 | 37736578 |
13 | 20c91440 |
14 | 13417788 |
15 | b67174e |
hex | 7c2e2ac |
130212524 has 24 divisors (see below), whose sum is σ = 253319808. Its totient is φ = 58158720.
The previous prime is 130212521. The next prime is 130212527. The reversal of 130212524 is 425212031.
It is an interprime number because it is at equal distance from previous prime (130212521) and next prime (130212527).
It is a junction number, because it is equal to n+sod(n) for n = 130212496 and 130212505.
It is not an unprimeable number, because it can be changed into a prime (130212521) 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, 38777 + ... + 42000.
It is an arithmetic number, because the mean of its divisors is an integer number (10554992).
Almost surely, 2130212524 is an apocalyptic number.
It is an amenable number.
130212524 is a deficient number, since it is larger than the sum of its proper divisors (123107284).
130212524 is a wasteful number, since it uses less digits than its factorization.
130212524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80825 (or 80823 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 130212524 is about 11411.0702390267. The cubic root of 130212524 is about 506.8556037821.
Adding to 130212524 its reverse (425212031), we get a palindrome (555424555).
The spelling of 130212524 in words is "one hundred thirty million, two hundred twelve thousand, five hundred twenty-four".
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