Base | Representation |
---|---|
bin | 1111100000100… |
… | …11010010100000 |
3 | 100001210212222121 |
4 | 13300103102200 |
5 | 231301234212 |
6 | 20524314024 |
7 | 3136565245 |
oct | 760232240 |
9 | 301725877 |
10 | 130102432 |
11 | 67491979 |
12 | 376a2914 |
13 | 20c532b5 |
14 | 133c95cc |
15 | b64dd07 |
hex | 7c134a0 |
130102432 has 12 divisors (see below), whose sum is σ = 256139226. Its totient is φ = 65051200.
The previous prime is 130102429. The next prime is 130102463. The reversal of 130102432 is 234201031.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 69822736 + 60279696 = 8356^2 + 7764^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032819 + ... + 2032882.
Almost surely, 2130102432 is an apocalyptic number.
It is an amenable number.
130102432 is a deficient number, since it is larger than the sum of its proper divisors (126036794).
130102432 is an equidigital number, since it uses as much as digits as its factorization.
130102432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4065711 (or 4065703 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 130102432 is about 11406.2453068483. The cubic root of 130102432 is about 506.7127181903.
Adding to 130102432 its reverse (234201031), we get a palindrome (364303463).
The spelling of 130102432 in words is "one hundred thirty million, one hundred two thousand, four hundred thirty-two".
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