Base | Representation |
---|---|
bin | 101110001100… |
… | …000100010110 |
3 | 211210011010110 |
4 | 232030010112 |
5 | 11044424204 |
6 | 1111303450 |
7 | 204626310 |
oct | 56140426 |
9 | 24704113 |
10 | 12108054 |
11 | 691aa62 |
12 | 407ab86 |
13 | 267c23a |
14 | 18727b0 |
15 | 10e2889 |
hex | b8c116 |
12108054 has 32 divisors (see below), whose sum is σ = 29134080. Its totient is φ = 3277152.
The previous prime is 12108043. The next prime is 12108067. The reversal of 12108054 is 45080121.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 12108054.
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, 6789 + ... + 8384.
It is an arithmetic number, because the mean of its divisors is an integer number (910440).
Almost surely, 212108054 is an apocalyptic number.
12108054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12108054 is an abundant number, since it is smaller than the sum of its proper divisors (17026026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12108054 is a wasteful number, since it uses less digits than its factorization.
12108054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15204.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 12108054 is about 3479.6629147088. The cubic root of 12108054 is about 229.6279681802.
Adding to 12108054 its reverse (45080121), we get a palindrome (57188175).
The spelling of 12108054 in words is "twelve million, one hundred eight thousand, fifty-four".
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