Base | Representation |
---|---|
bin | 1001001000010110011… |
… | …11101110000111101011 |
3 | 1002222202202221102112200 |
4 | 10210023033232013223 |
5 | 20120000122024201 |
6 | 400042131511243 |
7 | 31444206623121 |
oct | 4441317560753 |
9 | 1088682842480 |
10 | 313721283051 |
11 | 111059538350 |
12 | 50974758523 |
13 | 237787820c7 |
14 | 112815c5911 |
15 | 82620d9386 |
hex | 490b3ee1eb |
313721283051 has 54 divisors (see below), whose sum is σ = 507069368364. Its totient is φ = 185361590400.
The previous prime is 313721282981. The next prime is 313721283053. The reversal of 313721283051 is 150382127313.
It is a happy number.
313721283051 is a `hidden beast` number, since 3 + 1 + 372 + 1 + 283 + 0 + 5 + 1 = 666.
It is not a de Polignac number, because 313721283051 - 27 = 313721282923 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 313721282997 and 313721283015.
It is not an unprimeable number, because it can be changed into a prime (313721283053) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 228492601 + ... + 228493973.
Almost surely, 2313721283051 is an apocalyptic number.
313721283051 is a deficient number, since it is larger than the sum of its proper divisors (193348085313).
313721283051 is an equidigital number, since it uses as much as digits as its factorization.
313721283051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2845 (or 1428 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The spelling of 313721283051 in words is "three hundred thirteen billion, seven hundred twenty-one million, two hundred eighty-three thousand, fifty-one".
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