Base | Representation |
---|---|
bin | 101110011000… |
… | …101110001010 |
3 | 211212210020000 |
4 | 232120232022 |
5 | 11103104012 |
6 | 1112343430 |
7 | 205233360 |
oct | 56305612 |
9 | 24783200 |
10 | 12159882 |
11 | 6955999 |
12 | 40a4b76 |
13 | 26999c7 |
14 | 1887630 |
15 | 1102ddc |
hex | b98b8a |
12159882 has 40 divisors (see below), whose sum is σ = 31142496. Its totient is φ = 3473928.
The previous prime is 12159881. The next prime is 12159899. The reversal of 12159882 is 28895121.
12159882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12159881) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4228 + ... + 6495.
Almost surely, 212159882 is an apocalyptic number.
12159882 is an abundant number, since it is smaller than the sum of its proper divisors (18982614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12159882 is a wasteful number, since it uses less digits than its factorization.
12159882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10744 (or 10735 counting only the distinct ones).
The product of its digits is 11520, while the sum is 36.
The square root of 12159882 is about 3487.1022353811. The cubic root of 12159882 is about 229.9551393288.
Subtracting from 12159882 its sum of digits (36), we obtain a triangular number (12159846 = T4931).
It can be divided in two parts, 12159 and 882, that added together give a triangular number (13041 = T161).
The spelling of 12159882 in words is "twelve million, one hundred fifty-nine thousand, eight hundred eighty-two".
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