Base | Representation |
---|---|
bin | 1111100100101… |
… | …00111100101000 |
3 | 100002210212111020 |
4 | 13302110330220 |
5 | 231420233022 |
6 | 20543532440 |
7 | 3144236502 |
oct | 762247450 |
9 | 302725436 |
10 | 130633512 |
11 | 67814989 |
12 | 378ba120 |
13 | 210aac49 |
14 | 134c6d72 |
15 | b70635c |
hex | 7c94f28 |
130633512 has 32 divisors (see below), whose sum is σ = 343773600. Its totient is φ = 41252544.
The previous prime is 130633483. The next prime is 130633523. The reversal of 130633512 is 215336031.
It is a happy number.
It is a super-2 number, since 2×1306335122 = 34130228914908288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142783 + ... + 143694.
It is an arithmetic number, because the mean of its divisors is an integer number (10742925).
Almost surely, 2130633512 is an apocalyptic number.
130633512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130633512 is an abundant number, since it is smaller than the sum of its proper divisors (213140088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130633512 is a wasteful number, since it uses less digits than its factorization.
130633512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286505 (or 286501 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 24.
The square root of 130633512 is about 11429.5018264140. The cubic root of 130633512 is about 507.4012517068.
Adding to 130633512 its reverse (215336031), we get a palindrome (345969543).
The spelling of 130633512 in words is "one hundred thirty million, six hundred thirty-three thousand, five hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •