Base | Representation |
---|---|
bin | 100011011110110110010011… |
… | …0001111100100001011110101 |
3 | 1111221001202110210100201112011 |
4 | 1012331230212033210023311 |
5 | 311401444001202104023 |
6 | 3023442052551124221 |
7 | 122511462015142606 |
oct | 10675544617441365 |
9 | 1457052423321464 |
10 | 312103030113013 |
11 | 9049a173a98157 |
12 | 2b0077a9373671 |
13 | 1051c2602ccbc9 |
14 | 570dc1da79dad |
15 | 26137b1a0a50d |
hex | 11bdb263e42f5 |
312103030113013 has 4 divisors (see below), whose sum is σ = 312103486657440. Its totient is φ = 312102573568588.
The previous prime is 312103030112981. The next prime is 312103030113059. The reversal of 312103030113013 is 310311030301213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 312103030113013 - 25 = 312103030112981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312103030113313) 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, 227245243 + ... + 228614536.
It is an arithmetic number, because the mean of its divisors is an integer number (78025871664360).
Almost surely, 2312103030113013 is an apocalyptic number.
It is an amenable number.
312103030113013 is a deficient number, since it is larger than the sum of its proper divisors (456544427).
312103030113013 is an equidigital number, since it uses as much as digits as its factorization.
312103030113013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456544426.
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 312103030113013 its reverse (310311030301213), we get a palindrome (622414060414226).
The spelling of 312103030113013 in words is "three hundred twelve trillion, one hundred three billion, thirty million, one hundred thirteen thousand, thirteen".
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