Base | Representation |
---|---|
bin | 1111111001100… |
… | …00100100000101 |
3 | 100021221210121010 |
4 | 13330300210011 |
5 | 233120234234 |
6 | 21122312433 |
7 | 3206416122 |
oct | 774604405 |
9 | 307853533 |
10 | 133368069 |
11 | 6931244a |
12 | 387b8719 |
13 | 21827823 |
14 | 139d9749 |
15 | ba966e9 |
hex | 7f30905 |
133368069 has 16 divisors (see below), whose sum is σ = 182336000. Its totient is φ = 86664816.
The previous prime is 133368061. The next prime is 133368073. The reversal of 133368069 is 960863331.
It is not a de Polignac number, because 133368069 - 23 = 133368061 is a prime.
It is a super-2 number, since 2×1333680692 = 35574083657577522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133368061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94632 + ... + 96030.
It is an arithmetic number, because the mean of its divisors is an integer number (11396000).
Almost surely, 2133368069 is an apocalyptic number.
It is an amenable number.
133368069 is a deficient number, since it is larger than the sum of its proper divisors (48967931).
133368069 is a wasteful number, since it uses less digits than its factorization.
133368069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2184.
The product of its (nonzero) digits is 69984, while the sum is 39.
The square root of 133368069 is about 11548.5093843318. The cubic root of 133368069 is about 510.9173148588.
The spelling of 133368069 in words is "one hundred thirty-three million, three hundred sixty-eight thousand, sixty-nine".
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