Base | Representation |
---|---|
bin | 1111111101011… |
… | …01010110100101 |
3 | 100022220202202002 |
4 | 13332231112211 |
5 | 233233113310 |
6 | 21141255045 |
7 | 3213645245 |
oct | 776552645 |
9 | 308822662 |
10 | 133879205 |
11 | 69631479 |
12 | 38a04485 |
13 | 21976385 |
14 | 13acdb25 |
15 | bb47da5 |
hex | 7fad5a5 |
133879205 has 16 divisors (see below), whose sum is σ = 168048000. Its totient is φ = 102197568.
The previous prime is 133879189. The next prime is 133879211. The reversal of 133879205 is 502978331.
It is a cyclic number.
It is not a de Polignac number, because 133879205 - 24 = 133879189 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56219 + ... + 58551.
It is an arithmetic number, because the mean of its divisors is an integer number (10503000).
Almost surely, 2133879205 is an apocalyptic number.
It is an amenable number.
133879205 is a deficient number, since it is larger than the sum of its proper divisors (34168795).
133879205 is a wasteful number, since it uses less digits than its factorization.
133879205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2860.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 133879205 is about 11570.6181770898. The cubic root of 133879205 is about 511.5691833417.
The spelling of 133879205 in words is "one hundred thirty-three million, eight hundred seventy-nine thousand, two hundred five".
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