Base | Representation |
---|---|
bin | 1011101010110110101010… |
… | …1000101100111011010111 |
3 | 1200102121200102220201222021 |
4 | 2322231222220230323113 |
5 | 3140210043212232311 |
6 | 43142225233314011 |
7 | 2462666403425425 |
oct | 272555250547327 |
9 | 50377612821867 |
10 | 12830856367831 |
11 | 40a7598a13437 |
12 | 1532857a05907 |
13 | 720c3828bb78 |
14 | 325033dcc115 |
15 | 173b600ea171 |
hex | bab6aa2ced7 |
12830856367831 has 2 divisors, whose sum is σ = 12830856367832. Its totient is φ = 12830856367830.
The previous prime is 12830856367829. The next prime is 12830856367871. The reversal of 12830856367831 is 13876365803821.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12830856367831 - 21 = 12830856367829 is a prime.
It is a super-2 number, since 2×128308563678312 (a number of 27 digits) contains 22 as substring.
Together with 12830856367829, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12830856367831.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12830856367801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415428183915 + 6415428183916.
It is an arithmetic number, because the mean of its divisors is an integer number (6415428183916).
Almost surely, 212830856367831 is an apocalyptic number.
12830856367831 is a deficient number, since it is larger than the sum of its proper divisors (1).
12830856367831 is an equidigital number, since it uses as much as digits as its factorization.
12830856367831 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34836480, while the sum is 61.
The spelling of 12830856367831 in words is "twelve trillion, eight hundred thirty billion, eight hundred fifty-six million, three hundred sixty-seven thousand, eight hundred thirty-one".
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