Base | Representation |
---|---|
bin | 10111000101010111… |
… | …01010110011111101 |
3 | 1011222200200022012122 |
4 | 23202223222303331 |
5 | 200340104023312 |
6 | 5405425412325 |
7 | 616053020264 |
oct | 134253526375 |
9 | 34880608178 |
10 | 12393032957 |
11 | 528a5a90a8 |
12 | 249a49a0a5 |
13 | 1226706bc6 |
14 | 857ccb5db |
15 | 4c8009b72 |
hex | 2e2aeacfd |
12393032957 has 2 divisors, whose sum is σ = 12393032958. Its totient is φ = 12393032956.
The previous prime is 12393032941. The next prime is 12393032989. The reversal of 12393032957 is 75923039321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9736558276 + 2656474681 = 98674^2 + 51541^2 .
It is a cyclic number.
It is not a de Polignac number, because 12393032957 - 24 = 12393032941 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12393032357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196516478 + 6196516479.
It is an arithmetic number, because the mean of its divisors is an integer number (6196516479).
Almost surely, 212393032957 is an apocalyptic number.
It is an amenable number.
12393032957 is a deficient number, since it is larger than the sum of its proper divisors (1).
12393032957 is an equidigital number, since it uses as much as digits as its factorization.
12393032957 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 306180, while the sum is 44.
The spelling of 12393032957 in words is "twelve billion, three hundred ninety-three million, thirty-two thousand, nine hundred fifty-seven".
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