Base | Representation |
---|---|
bin | 1001000101101110100… |
… | …11111110100110101001 |
3 | 1002212010122012222101101 |
4 | 10202313103332212221 |
5 | 20104104124104001 |
6 | 355250305521401 |
7 | 31364260442101 |
oct | 4426723764651 |
9 | 1085118188341 |
10 | 312313113001 |
11 | 1104a667934a |
12 | 50641043261 |
13 | 235b2b029a6 |
14 | 1118a588201 |
15 | 81cd67da01 |
hex | 48b74fe9a9 |
312313113001 has 4 divisors (see below), whose sum is σ = 312349148100. Its totient is φ = 312277077904.
The previous prime is 312313112941. The next prime is 312313113011. The reversal of 312313113001 is 100311313213.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100311313213 = 6599 ⋅15200987.
It can be written as a sum of positive squares in 2 ways, for example, as 155456718400 + 156856394601 = 394280^2 + 396051^2 .
It is a cyclic number.
It is not a de Polignac number, because 312313113001 - 223 = 312304724393 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 312313113001.
It is not an unprimeable number, because it can be changed into a prime (312313113011) 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, 18004546 + ... + 18021883.
It is an arithmetic number, because the mean of its divisors is an integer number (78087287025).
Almost surely, 2312313113001 is an apocalyptic number.
It is an amenable number.
312313113001 is a deficient number, since it is larger than the sum of its proper divisors (36035099).
312313113001 is an equidigital number, since it uses as much as digits as its factorization.
312313113001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36035098.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 312313113001 its reverse (100311313213), we get a palindrome (412624426214).
The spelling of 312313113001 in words is "three hundred twelve billion, three hundred thirteen million, one hundred thirteen thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •