Base | Representation |
---|---|
bin | 11000001010110101… |
… | …01101011110010110 |
3 | 1020111022020102112212 |
4 | 30011122231132112 |
5 | 203033300234344 |
6 | 5543324113422 |
7 | 636360252320 |
oct | 140532553626 |
9 | 36438212485 |
10 | 12975789974 |
11 | 555954a074 |
12 | 2621695872 |
13 | 12ba376244 |
14 | 8b1466610 |
15 | 50e26d79e |
hex | 3056ad796 |
12975789974 has 32 divisors (see below), whose sum is σ = 22598353920. Its totient is φ = 5472971712.
The previous prime is 12975789949. The next prime is 12975789979. The reversal of 12975789974 is 47998757921.
It is a super-2 number, since 2×129757899742 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12975789979) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327437 + ... + 364919.
It is an arithmetic number, because the mean of its divisors is an integer number (706198560).
Almost surely, 212975789974 is an apocalyptic number.
12975789974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12975789974 is a deficient number, since it is larger than the sum of its proper divisors (9622563946).
12975789974 is a wasteful number, since it uses less digits than its factorization.
12975789974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37884.
The product of its digits is 80015040, while the sum is 68.
The spelling of 12975789974 in words is "twelve billion, nine hundred seventy-five million, seven hundred eighty-nine thousand, nine hundred seventy-four".
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