Base | Representation |
---|---|
bin | 11101001001111001… |
… | …110001010011101101 |
3 | 2222210200020002111001 |
4 | 131021321301103231 |
5 | 1003102442331023 |
6 | 22214155200301 |
7 | 2155521103015 |
oct | 351171612355 |
9 | 88720202431 |
10 | 31304652013 |
11 | 12304729438 |
12 | 6097a46091 |
13 | 2c4b76b63b |
14 | 172d81ac45 |
15 | c334376ad |
hex | 749e714ed |
31304652013 has 8 divisors (see below), whose sum is σ = 31397024736. Its totient is φ = 31212325200.
The previous prime is 31304651957. The next prime is 31304652019. The reversal of 31304652013 is 31025640313.
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 31304652013 - 225 = 31271097581 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 (31304652019) 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, 1740798 + ... + 1758688.
It is an arithmetic number, because the mean of its divisors is an integer number (3924628092).
Almost surely, 231304652013 is an apocalyptic number.
It is an amenable number.
31304652013 is a deficient number, since it is larger than the sum of its proper divisors (92372723).
31304652013 is a wasteful number, since it uses less digits than its factorization.
31304652013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22955.
The product of its (nonzero) digits is 6480, while the sum is 28.
The spelling of 31304652013 in words is "thirty-one billion, three hundred four million, six hundred fifty-two thousand, thirteen".
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