Base | Representation |
---|---|
bin | 1111111000011… |
… | …11000100001111 |
3 | 100021200211101102 |
4 | 13330033010033 |
5 | 233101341423 |
6 | 21115333315 |
7 | 3205305113 |
oct | 774170417 |
9 | 307624342 |
10 | 133230863 |
11 | 69229357 |
12 | 3875123b |
13 | 217aa23c |
14 | 139a1743 |
15 | ba6ac28 |
hex | 7f0f10f |
133230863 has 2 divisors, whose sum is σ = 133230864. Its totient is φ = 133230862.
The previous prime is 133230857. The next prime is 133230919. The reversal of 133230863 is 368032331.
It is a weak prime.
It is an emirp because it is prime and its reverse (368032331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 133230863 - 24 = 133230847 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (133230833) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66615431 + 66615432.
It is an arithmetic number, because the mean of its divisors is an integer number (66615432).
Almost surely, 2133230863 is an apocalyptic number.
133230863 is a deficient number, since it is larger than the sum of its proper divisors (1).
133230863 is an equidigital number, since it uses as much as digits as its factorization.
133230863 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 29.
The square root of 133230863 is about 11542.5674353672. The cubic root of 133230863 is about 510.7420480832.
The spelling of 133230863 in words is "one hundred thirty-three million, two hundred thirty thousand, eight hundred sixty-three".
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