Base | Representation |
---|---|
bin | 10111010011110111… |
… | …00111010011111000 |
3 | 1012022011112021010200 |
4 | 23221323213103320 |
5 | 201112222402212 |
6 | 5425452242200 |
7 | 622060541031 |
oct | 135173472370 |
9 | 35264467120 |
10 | 12514653432 |
11 | 5342217396 |
12 | 2513170360 |
13 | 124597a598 |
14 | 86a109a88 |
15 | 4d3a306dc |
hex | 2e9ee74f8 |
12514653432 has 24 divisors (see below), whose sum is σ = 33893853240. Its totient is φ = 4171551120.
The previous prime is 12514653421. The next prime is 12514653439. The reversal of 12514653432 is 23435641521.
12514653432 is a `hidden beast` number, since 1 + 2 + 51 + 46 + 534 + 32 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12514653439) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86907244 + ... + 86907387.
It is an arithmetic number, because the mean of its divisors is an integer number (1412243885).
Almost surely, 212514653432 is an apocalyptic number.
12514653432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12514653432 is an abundant number, since it is smaller than the sum of its proper divisors (21379199808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12514653432 is a wasteful number, since it uses less digits than its factorization.
12514653432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173814643 (or 173814636 counting only the distinct ones).
The product of its digits is 86400, while the sum is 36.
The spelling of 12514653432 in words is "twelve billion, five hundred fourteen million, six hundred fifty-three thousand, four hundred thirty-two".
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