Base | Representation |
---|---|
bin | 11000001010110001… |
… | …10110010100100110 |
3 | 1020111021022122002000 |
4 | 30011120312110212 |
5 | 203033134130201 |
6 | 5543305430130 |
7 | 636353150406 |
oct | 140530662446 |
9 | 36437278060 |
10 | 12975301926 |
11 | 5559246424 |
12 | 262149b346 |
13 | 12ba235062 |
14 | 8b137a806 |
15 | 50e1c3d86 |
hex | 305636526 |
12975301926 has 64 divisors (see below), whose sum is σ = 30500029440. Its totient is φ = 4080352320.
The previous prime is 12975301909. The next prime is 12975301981. The reversal of 12975301926 is 62910357921.
It is a happy number.
12975301926 is a `hidden beast` number, since 1 + 2 + 97 + 530 + 1 + 9 + 26 = 666.
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, 19111 + ... + 162221.
It is an arithmetic number, because the mean of its divisors is an integer number (476562960).
Almost surely, 212975301926 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12975301926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15250014720).
12975301926 is an abundant number, since it is smaller than the sum of its proper divisors (17524727514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12975301926 is a wasteful number, since it uses less digits than its factorization.
12975301926 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143218 (or 143212 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 45.
The spelling of 12975301926 in words is "twelve billion, nine hundred seventy-five million, three hundred one thousand, nine hundred twenty-six".
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