Base | Representation |
---|---|
bin | 10010101010000… |
… | …101001011001010 |
3 | 210211000010021012 |
4 | 102222011023022 |
5 | 1120113134010 |
6 | 51021043522 |
7 | 10520431022 |
oct | 2252051312 |
9 | 724003235 |
10 | 313021130 |
11 | 150768454 |
12 | 889b65a2 |
13 | 4cb09806 |
14 | 2d802a82 |
15 | 1c732005 |
hex | 12a852ca |
313021130 has 8 divisors (see below), whose sum is σ = 563438052. Its totient is φ = 125208448.
The previous prime is 313021129. The next prime is 313021133. The reversal of 313021130 is 31120313.
It can be written as a sum of positive squares in 2 ways, for example, as 312900721 + 120409 = 17689^2 + 347^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (313021133) 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, 15651047 + ... + 15651066.
Almost surely, 2313021130 is an apocalyptic number.
313021130 is a deficient number, since it is larger than the sum of its proper divisors (250416922).
313021130 is a wasteful number, since it uses less digits than its factorization.
313021130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31302120.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 313021130 is about 17692.4031719832. The cubic root of 313021130 is about 678.9814118456.
Adding to 313021130 its reverse (31120313), we get a palindrome (344141443).
The spelling of 313021130 in words is "three hundred thirteen million, twenty-one thousand, one hundred thirty".
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