Base | Representation |
---|---|
bin | 1110001101101101000100… |
… | …10100011010111100001101 |
3 | 11002200011022000210220211011 |
4 | 13012312202110122330031 |
5 | 13044104221232301323 |
6 | 150251205400125221 |
7 | 6404154363406063 |
oct | 706664224327415 |
9 | 132604260726734 |
10 | 31257200275213 |
11 | 9a61116755570 |
12 | 3609a31166811 |
13 | 1459706422243 |
14 | 7a0bdc5b6033 |
15 | 39311153420d |
hex | 1c6da251af0d |
31257200275213 has 8 divisors (see below), whose sum is σ = 34099185637440. Its totient is φ = 28415285196480.
The previous prime is 31257200275207. The next prime is 31257200275303.
31257200275213 is nontrivially palindromic in base 10.
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 31257200275213 - 221 = 31257198178061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31257200272213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16638828 + ... + 18421861.
It is an arithmetic number, because the mean of its divisors is an integer number (4262398204680).
Almost surely, 231257200275213 is an apocalyptic number.
It is an amenable number.
31257200275213 is a deficient number, since it is larger than the sum of its proper divisors (2841985362227).
31257200275213 is a wasteful number, since it uses less digits than its factorization.
31257200275213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35141747.
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 31257200275213 in words is "thirty-one trillion, two hundred fifty-seven billion, two hundred million, two hundred seventy-five thousand, two hundred thirteen".
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