Base | Representation |
---|---|
bin | 1111100010111… |
… | …10111110001110 |
3 | 100002101122020000 |
4 | 13301132332032 |
5 | 231341144210 |
6 | 20535105130 |
7 | 3142326111 |
oct | 761367616 |
9 | 302348200 |
10 | 130412430 |
11 | 67683875 |
12 | 378121a6 |
13 | 21031425 |
14 | 1346a578 |
15 | b6b0ac0 |
hex | 7c5ef8e |
130412430 has 80 divisors (see below), whose sum is σ = 352679184. Its totient is φ = 34577280.
The previous prime is 130412393. The next prime is 130412453. The reversal of 130412430 is 34214031.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 188385 + ... + 189075.
Almost surely, 2130412430 is an apocalyptic number.
130412430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 130412430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176339592).
130412430 is an abundant number, since it is smaller than the sum of its proper divisors (222266754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130412430 is a wasteful number, since it uses less digits than its factorization.
130412430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943 (or 934 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 130412430 is about 11419.8261808138. The cubic root of 130412430 is about 507.1148509109.
Adding to 130412430 its reverse (34214031), we get a palindrome (164626461).
The spelling of 130412430 in words is "one hundred thirty million, four hundred twelve thousand, four hundred thirty".
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