Base | Representation |
---|---|
bin | 10111000110110001… |
… | …11010100100000101 |
3 | 1012000111222220102221 |
4 | 23203120322210011 |
5 | 200401123101312 |
6 | 5410531532341 |
7 | 616255600411 |
oct | 134330724405 |
9 | 35014886387 |
10 | 12404893957 |
11 | 529626a485 |
12 | 24a245a0b1 |
13 | 1228cca851 |
14 | 8596d7d41 |
15 | 4c909e207 |
hex | 2e363a905 |
12404893957 has 8 divisors (see below), whose sum is σ = 12686157792. Its totient is φ = 12126457200.
The previous prime is 12404893933. The next prime is 12404893961. The reversal of 12404893957 is 75939840421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12404893957 - 219 = 12404369669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12404893987) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697894 + ... + 715447.
It is an arithmetic number, because the mean of its divisors is an integer number (1585769724).
Almost surely, 212404893957 is an apocalyptic number.
It is an amenable number.
12404893957 is a deficient number, since it is larger than the sum of its proper divisors (281263835).
12404893957 is a wasteful number, since it uses less digits than its factorization.
12404893957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1413539.
The product of its (nonzero) digits is 2177280, while the sum is 52.
The spelling of 12404893957 in words is "twelve billion, four hundred four million, eight hundred ninety-three thousand, nine hundred fifty-seven".
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