Base | Representation |
---|---|
bin | 1111110111000… |
… | …10111010111010 |
3 | 100021100122100100 |
4 | 13323202322322 |
5 | 233030100132 |
6 | 21111420230 |
7 | 3203622666 |
oct | 773427272 |
9 | 307318310 |
10 | 133050042 |
11 | 69115514 |
12 | 38684676 |
13 | 21745b48 |
14 | 139558a6 |
15 | ba3237c |
hex | 7ee2eba |
133050042 has 24 divisors (see below), whose sum is σ = 290830644. Its totient is φ = 43956864.
The previous prime is 133050031. The next prime is 133050077. The reversal of 133050042 is 240050331.
It can be written as a sum of positive squares in 2 ways, for example, as 107557641 + 25492401 = 10371^2 + 5049^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 133049997 and 133050024.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30673 + ... + 34740.
Almost surely, 2133050042 is an apocalyptic number.
133050042 is an abundant number, since it is smaller than the sum of its proper divisors (157780602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133050042 is a wasteful number, since it uses less digits than its factorization.
133050042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65534 (or 65531 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 133050042 is about 11534.7319864833. The cubic root of 133050042 is about 510.5108836773.
The spelling of 133050042 in words is "one hundred thirty-three million, fifty thousand, forty-two".
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