Base | Representation |
---|---|
bin | 10010101010011… |
… | …110100111101001 |
3 | 210211012102020022 |
4 | 102222132213221 |
5 | 1120130002403 |
6 | 51023210225 |
7 | 10521343622 |
oct | 2252364751 |
9 | 724172208 |
10 | 313125353 |
11 | 150829792 |
12 | 88a46975 |
13 | 4cb45098 |
14 | 2d82ca49 |
15 | 1c752d38 |
hex | 12a9e9e9 |
313125353 has 4 divisors (see below), whose sum is σ = 315119940. Its totient is φ = 311130768.
The previous prime is 313125347. The next prime is 313125361. The reversal of 313125353 is 353521313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 156675289 + 156450064 = 12517^2 + 12508^2 .
It is a cyclic number.
It is not a de Polignac number, because 313125353 - 218 = 312863209 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (313128353) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997058 + ... + 997371.
It is an arithmetic number, because the mean of its divisors is an integer number (78779985).
Almost surely, 2313125353 is an apocalyptic number.
It is an amenable number.
313125353 is a deficient number, since it is larger than the sum of its proper divisors (1994587).
313125353 is a wasteful number, since it uses less digits than its factorization.
313125353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1994586.
The product of its digits is 4050, while the sum is 26.
The square root of 313125353 is about 17695.3483435619. The cubic root of 313125353 is about 679.0567609945.
Adding to 313125353 its reverse (353521313), we get a palindrome (666646666).
The spelling of 313125353 in words is "three hundred thirteen million, one hundred twenty-five thousand, three hundred fifty-three".
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