Base | Representation |
---|---|
bin | 10111000101010111… |
… | …01010110100001111 |
3 | 1011222200200022020022 |
4 | 23202223222310033 |
5 | 200340104023400 |
6 | 5405425412355 |
7 | 616053020321 |
oct | 134253526417 |
9 | 34880608208 |
10 | 12393032975 |
11 | 528a5a9114 |
12 | 249a49a0bb |
13 | 1226706c0b |
14 | 857ccb611 |
15 | 4c8009b85 |
hex | 2e2aead0f |
12393032975 has 24 divisors (see below), whose sum is σ = 15833389872. Its totient is φ = 9618220800.
The previous prime is 12393032957. The next prime is 12393032989. The reversal of 12393032975 is 57923039321.
It is a Cunningham number, because it is equal to 1113242-1.
It is not a de Polignac number, because 12393032975 - 216 = 12392967439 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55664 + ... + 166986.
It is an arithmetic number, because the mean of its divisors is an integer number (659724578).
Almost surely, 212393032975 is an apocalyptic number.
12393032975 is a deficient number, since it is larger than the sum of its proper divisors (3440356897).
12393032975 is a wasteful number, since it uses less digits than its factorization.
12393032975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111467 (or 111462 counting only the distinct ones).
The product of its (nonzero) digits is 306180, while the sum is 44.
The spelling of 12393032975 in words is "twelve billion, three hundred ninety-three million, thirty-two thousand, nine hundred seventy-five".
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