Base | Representation |
---|---|
bin | 1111110111101… |
… | …01000000011000 |
3 | 100021111101221222 |
4 | 13323311000120 |
5 | 233034432440 |
6 | 21113151212 |
7 | 3204351653 |
oct | 773650030 |
9 | 307441858 |
10 | 133124120 |
11 | 69166138 |
12 | 386bb508 |
13 | 2177078c |
14 | 1397489a |
15 | ba492b5 |
hex | 7ef5018 |
133124120 has 32 divisors (see below), whose sum is σ = 300967920. Its totient is φ = 52993920.
The previous prime is 133124107. The next prime is 133124191. The reversal of 133124120 is 21421331.
It is a congruent number.
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, 554 + ... + 16326.
Almost surely, 2133124120 is an apocalyptic number.
133124120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
133124120 is an abundant number, since it is smaller than the sum of its proper divisors (167843800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133124120 is a wasteful number, since it uses less digits than its factorization.
133124120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15995 (or 15991 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 133124120 is about 11537.9426242290. The cubic root of 133124120 is about 510.6056114662.
Adding to 133124120 its reverse (21421331), we get a palindrome (154545451).
The spelling of 133124120 in words is "one hundred thirty-three million, one hundred twenty-four thousand, one hundred twenty".
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