Base | Representation |
---|---|
bin | 1111100010111… |
… | …11110100011100 |
3 | 100002101210222112 |
4 | 13301133310130 |
5 | 231341302100 |
6 | 20535133152 |
7 | 3142342166 |
oct | 761376434 |
9 | 302353875 |
10 | 130415900 |
11 | 6768643a |
12 | 378141b8 |
13 | 21032b94 |
14 | 1346b936 |
15 | b6b1b35 |
hex | 7c5fd1c |
130415900 has 36 divisors (see below), whose sum is σ = 292767720. Its totient is φ = 50366400.
The previous prime is 130415869. The next prime is 130415927. The reversal of 130415900 is 9514031.
It is a happy number.
130415900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19586 + ... + 25385.
Almost surely, 2130415900 is an apocalyptic number.
130415900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130415900 is an abundant number, since it is smaller than the sum of its proper divisors (162351820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130415900 is a wasteful number, since it uses less digits than its factorization.
130415900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45014 (or 45007 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 130415900 is about 11419.9781085605. The cubic root of 130415900 is about 507.1193486236.
Adding to 130415900 its reverse (9514031), we get a palindrome (139929931).
The spelling of 130415900 in words is "one hundred thirty million, four hundred fifteen thousand, nine hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •