Base | Representation |
---|---|
bin | 111101111100011101… |
… | …0100101010111111001 |
3 | 110201100202020120012010 |
4 | 1323320322211113321 |
5 | 4134413413012011 |
6 | 141035542040133 |
7 | 12416325625224 |
oct | 1737072452771 |
9 | 421322216163 |
10 | 133025125881 |
11 | 51463240a6a |
12 | 21945a19049 |
13 | c70c84564b |
14 | 661d1725bb |
15 | 36d871c1a6 |
hex | 1ef8ea55f9 |
133025125881 has 16 divisors (see below), whose sum is σ = 178193928960. Its totient is φ = 88270828800.
The previous prime is 133025125879. The next prime is 133025125943. The reversal of 133025125881 is 188521520331.
It is not a de Polignac number, because 133025125881 - 21 = 133025125879 is a prime.
It is a super-2 number, since 2×1330251258812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (133025125801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437575 + ... + 676403.
It is an arithmetic number, because the mean of its divisors is an integer number (11137120560).
Almost surely, 2133025125881 is an apocalyptic number.
It is an amenable number.
133025125881 is a deficient number, since it is larger than the sum of its proper divisors (45168803079).
133025125881 is a wasteful number, since it uses less digits than its factorization.
133025125881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239696.
The product of its (nonzero) digits is 57600, while the sum is 39.
The spelling of 133025125881 in words is "one hundred thirty-three billion, twenty-five million, one hundred twenty-five thousand, eight hundred eighty-one".
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