Base | Representation |
---|---|
bin | 1011001100100010010111… |
… | …1101110100010010011001 |
3 | 1121120211021222200000221102 |
4 | 2303020211331310102121 |
5 | 3103141401341413111 |
6 | 42103050401321145 |
7 | 2410240414011032 |
oct | 263104575642231 |
9 | 47524258600842 |
10 | 12310013232281 |
11 | 3a16713603786 |
12 | 146991a6361b5 |
13 | 6b3aa1b8c7bb |
14 | 307b44929a89 |
15 | 16532970313b |
hex | b3225f74499 |
12310013232281 has 2 divisors, whose sum is σ = 12310013232282. Its totient is φ = 12310013232280.
The previous prime is 12310013232137. The next prime is 12310013232311. The reversal of 12310013232281 is 18223231001321.
12310013232281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9485882567056 + 2824130665225 = 3079916^2 + 1680515^2 .
It is a cyclic number.
It is not a de Polignac number, because 12310013232281 - 218 = 12310012970137 is a prime.
It is a super-2 number, since 2×123100132322812 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12310013232481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155006616140 + 6155006616141.
It is an arithmetic number, because the mean of its divisors is an integer number (6155006616141).
Almost surely, 212310013232281 is an apocalyptic number.
It is an amenable number.
12310013232281 is a deficient number, since it is larger than the sum of its proper divisors (1).
12310013232281 is an equidigital number, since it uses as much as digits as its factorization.
12310013232281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 12310013232281 in words is "twelve trillion, three hundred ten billion, thirteen million, two hundred thirty-two thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.122 sec. • engine limits •