Base | Representation |
---|---|
bin | 1001000111010000010… |
… | …00101000001001010101 |
3 | 1002221020201111222100011 |
4 | 10203220020220021111 |
5 | 20112243322033023 |
6 | 355503450120221 |
7 | 31423464651103 |
oct | 4435010501125 |
9 | 1087221458304 |
10 | 313132221013 |
11 | 110886a80317 |
12 | 5082b420071 |
13 | 236b3715ca1 |
14 | 11227288c73 |
15 | 822a52c50d |
hex | 48e8228255 |
313132221013 has 8 divisors (see below), whose sum is σ = 319452511808. Its totient is φ = 306860361984.
The previous prime is 313132220981. The next prime is 313132221067. The reversal of 313132221013 is 310122231313.
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 313132221013 - 25 = 313132220981 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 (313132321013) 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, 12094881 + ... + 12120742.
It is an arithmetic number, because the mean of its divisors is an integer number (39931563976).
Almost surely, 2313132221013 is an apocalyptic number.
It is an amenable number.
313132221013 is a deficient number, since it is larger than the sum of its proper divisors (6320290795).
313132221013 is a wasteful number, since it uses less digits than its factorization.
313132221013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24215883.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 313132221013 its reverse (310122231313), we get a palindrome (623254452326).
The spelling of 313132221013 in words is "three hundred thirteen billion, one hundred thirty-two million, two hundred twenty-one thousand, thirteen".
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