Base | Representation |
---|---|
bin | 10110011001010011… |
… | …10001011100011101 |
3 | 1011000221012212222122 |
4 | 23030221301130131 |
5 | 144110444441320 |
6 | 5305023552325 |
7 | 603644346302 |
oct | 131451613435 |
9 | 34027185878 |
10 | 12023437085 |
11 | 510aa0a270 |
12 | 23b675b6a5 |
13 | 1197c7c51a |
14 | 820b9d0a9 |
15 | 4a584ed25 |
hex | 2cca7171d |
12023437085 has 32 divisors (see below), whose sum is σ = 16681479552. Its totient is φ = 8222126080.
The previous prime is 12023437073. The next prime is 12023437109. The reversal of 12023437085 is 58073432021.
It is not a de Polignac number, because 12023437085 - 214 = 12023420701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1081877 + ... + 1092933.
It is an arithmetic number, because the mean of its divisors is an integer number (521296236).
Almost surely, 212023437085 is an apocalyptic number.
It is an amenable number.
12023437085 is a deficient number, since it is larger than the sum of its proper divisors (4658042467).
12023437085 is a wasteful number, since it uses less digits than its factorization.
12023437085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12253.
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 12023437085 in words is "twelve billion, twenty-three million, four hundred thirty-seven thousand, eighty-five".
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