Base | Representation |
---|---|
bin | 1111100000110… |
… | …00111001011000 |
3 | 100001212001111021 |
4 | 13300120321120 |
5 | 231303003100 |
6 | 20525012224 |
7 | 3140022226 |
oct | 760307130 |
9 | 301761437 |
10 | 130125400 |
11 | 674a8159 |
12 | 376b4074 |
13 | 20c608a2 |
14 | 133d3b16 |
15 | b655a1a |
hex | 7c18e58 |
130125400 has 24 divisors (see below), whose sum is σ = 302542020. Its totient is φ = 52050080.
The previous prime is 130125397. The next prime is 130125409. The reversal of 130125400 is 4521031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130125409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325114 + ... + 325513.
Almost surely, 2130125400 is an apocalyptic number.
130125400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130125400 is an abundant number, since it is smaller than the sum of its proper divisors (172416620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130125400 is a wasteful number, since it uses less digits than its factorization.
130125400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650643 (or 650634 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 130125400 is about 11407.2520792696. The cubic root of 130125400 is about 506.7425344224.
Adding to 130125400 its reverse (4521031), we get a palindrome (134646431).
The spelling of 130125400 in words is "one hundred thirty million, one hundred twenty-five thousand, four hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •