Base | Representation |
---|---|
bin | 1011011110111100100101… |
… | …1000111000111010010000 |
3 | 1122201001122200202000112120 |
4 | 2313233021120320322100 |
5 | 3123332114113043140 |
6 | 42504234135254240 |
7 | 2442135115013121 |
oct | 267571130707220 |
9 | 48631580660476 |
10 | 12626287627920 |
11 | 402886222132a |
12 | 14bb08621a380 |
13 | 7078665790c5 |
14 | 31918922a048 |
15 | 16d68aa0a1d0 |
hex | b7bc9638e90 |
12626287627920 has 40 divisors (see below), whose sum is σ = 39141491647296. Its totient is φ = 3367010034048.
The previous prime is 12626287627901. The next prime is 12626287627951. The reversal of 12626287627920 is 2972678262621.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26304765652 + ... + 26304766131.
Almost surely, 212626287627920 is an apocalyptic number.
12626287627920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12626287627920 is an abundant number, since it is smaller than the sum of its proper divisors (26515204019376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12626287627920 is a wasteful number, since it uses less digits than its factorization.
12626287627920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52609531799 (or 52609531793 counting only the distinct ones).
The product of its (nonzero) digits is 24385536, while the sum is 60.
The spelling of 12626287627920 in words is "twelve trillion, six hundred twenty-six billion, two hundred eighty-seven million, six hundred twenty-seven thousand, nine hundred twenty".
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