Base | Representation |
---|---|
bin | 1000111110110001101… |
… | …0001001101101101100 |
3 | 112202020202002220011112 |
4 | 2033230122021231230 |
5 | 10011441233240433 |
6 | 154514021011152 |
7 | 14101311333113 |
oct | 2175432115554 |
9 | 482222086145 |
10 | 154290133868 |
11 | 5a485838232 |
12 | 25a9b553ab8 |
13 | 1171b326000 |
14 | 767946ac7a |
15 | 4030565348 |
hex | 23ec689b6c |
154290133868 has 48 divisors (see below), whose sum is σ = 294032739840. Its totient is φ = 70837228800.
The previous prime is 154290133861. The next prime is 154290133891. The reversal of 154290133868 is 868331092451.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (154290133861) 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, 1632548 + ... + 1724468.
It is an arithmetic number, because the mean of its divisors is an integer number (6125682080).
Almost surely, 2154290133868 is an apocalyptic number.
It is an amenable number.
154290133868 is a deficient number, since it is larger than the sum of its proper divisors (139742605972).
154290133868 is a wasteful number, since it uses less digits than its factorization.
154290133868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92155 (or 92127 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 50.
The spelling of 154290133868 in words is "one hundred fifty-four billion, two hundred ninety million, one hundred thirty-three thousand, eight hundred sixty-eight".
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