Base | Representation |
---|---|
bin | 1011101010010000… |
… | …0011010111000001 |
3 | 22002010200010210220 |
4 | 2322210003113001 |
5 | 22402240404441 |
6 | 1234331013253 |
7 | 140364446454 |
oct | 27244032701 |
9 | 8063603726 |
10 | 3130013121 |
11 | 13668a1204 |
12 | 73429a229 |
13 | 3ab605c91 |
14 | 2199ab49b |
15 | 134bc6466 |
hex | ba9035c1 |
3130013121 has 12 divisors (see below), whose sum is σ = 4362692208. Its totient is φ = 1995949384.
The previous prime is 3130013093. The next prime is 3130013147. The reversal of 3130013121 is 1213100313.
It is not a de Polignac number, because 3130013121 - 26 = 3130013057 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 3130013121.
It is not an unprimeable number, because it can be changed into a prime (3130013221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984555 + ... + 987728.
It is an arithmetic number, because the mean of its divisors is an integer number (363557684).
Almost surely, 23130013121 is an apocalyptic number.
It is an amenable number.
3130013121 is a deficient number, since it is larger than the sum of its proper divisors (1232679087).
3130013121 is a wasteful number, since it uses less digits than its factorization.
3130013121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1972332 (or 1972309 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 3130013121 is about 55946.5201866926. The cubic root of 3130013121 is about 1462.7902356850.
Adding to 3130013121 its reverse (1213100313), we get a palindrome (4343113434).
The spelling of 3130013121 in words is "three billion, one hundred thirty million, thirteen thousand, one hundred twenty-one".
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