Base | Representation |
---|---|
bin | 1111100001000… |
… | …11011011000000 |
3 | 100001221020122000 |
4 | 13300203123000 |
5 | 231310343022 |
6 | 20525544000 |
7 | 3140262015 |
oct | 760433300 |
9 | 301836560 |
10 | 130168512 |
11 | 67527591 |
12 | 37715000 |
13 | 20c773b6 |
14 | 1340570c |
15 | b6636ac |
hex | 7c236c0 |
130168512 has 56 divisors (see below), whose sum is σ = 382676400. Its totient is φ = 43388928.
The previous prime is 130168499. The next prime is 130168513. The reversal of 130168512 is 215861031.
130168512 is a `hidden beast` number, since 130 + 16 + 8 + 512 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (130168513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35937 + ... + 39392.
Almost surely, 2130168512 is an apocalyptic number.
130168512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130168512 is an abundant number, since it is smaller than the sum of its proper divisors (252507888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130168512 is an equidigital number, since it uses as much as digits as its factorization.
130168512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75350 (or 75334 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 130168512 is about 11409.1415978591. The cubic root of 130168512 is about 506.7984913990.
It can be divided in two parts, 13016 and 8512, that added together give a triangular number (21528 = T207).
The spelling of 130168512 in words is "one hundred thirty million, one hundred sixty-eight thousand, five hundred twelve".
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