Base | Representation |
---|---|
bin | 10010101010000… |
… | …010111101000001 |
3 | 210210222122210021 |
4 | 102222002331001 |
5 | 1120112341113 |
6 | 51020533441 |
7 | 10520362345 |
oct | 2252027501 |
9 | 723878707 |
10 | 313012033 |
11 | 150761634 |
12 | 889b1281 |
13 | 4cb05629 |
14 | 2d7dd625 |
15 | 1c72e48d |
hex | 12a82f41 |
313012033 has 4 divisors (see below), whose sum is σ = 313049988. Its totient is φ = 312974080.
The previous prime is 313012027. The next prime is 313012039. The reversal of 313012033 is 330210313.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (313012027) and next prime (313012039).
It can be written as a sum of positive squares in 2 ways, for example, as 89718784 + 223293249 = 9472^2 + 14943^2 .
It is a cyclic number.
It is not a de Polignac number, because 313012033 - 25 = 313012001 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313011998 and 313012016.
It is not an unprimeable number, because it can be changed into a prime (313012039) 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, 808 + ... + 25033.
It is an arithmetic number, because the mean of its divisors is an integer number (78262497).
Almost surely, 2313012033 is an apocalyptic number.
It is an amenable number.
313012033 is a deficient number, since it is larger than the sum of its proper divisors (37955).
313012033 is a wasteful number, since it uses less digits than its factorization.
313012033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37954.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 313012033 is about 17692.1460823723. The cubic root of 313012033 is about 678.9748342772.
Adding to 313012033 its reverse (330210313), we get a palindrome (643222346).
The spelling of 313012033 in words is "three hundred thirteen million, twelve thousand, thirty-three".
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