Base | Representation |
---|---|
bin | 1001000111000100001… |
… | …11010011010000010000 |
3 | 1002220222200110002021112 |
4 | 10203202013103100100 |
5 | 20112041442210000 |
6 | 355445441112452 |
7 | 31421130245255 |
oct | 4434207232020 |
9 | 1086880402245 |
10 | 313031210000 |
11 | 110834a59243 |
12 | 50801628728 |
13 | 2369880a262 |
14 | 11217ab342c |
15 | 8221728235 |
hex | 48e21d3410 |
313031210000 has 50 divisors (see below), whose sum is σ = 757879886742. Its totient is φ = 125212480000.
The previous prime is 313031209957. The next prime is 313031210027. The reversal of 313031210000 is 12130313.
It can be written as a sum of positive squares in 5 ways, for example, as 112208920576 + 200822289424 = 334976^2 + 448132^2 .
It is a tau number, because it is divible by the number of its divisors (50).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15641561 + ... + 15661560.
Almost surely, 2313031210000 is an apocalyptic number.
It is an amenable number.
313031210000 is an abundant number, since it is smaller than the sum of its proper divisors (444848676742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313031210000 is an equidigital number, since it uses as much as digits as its factorization.
313031210000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31303149 (or 31303128 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 313031210000 its reverse (12130313), we get a palindrome (313043340313).
The spelling of 313031210000 in words is "three hundred thirteen billion, thirty-one million, two hundred ten thousand".
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