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912704492681 is a prime number
BaseRepresentation
bin11010100100000010110…
…11010101010010001001
310020020211221112011212022
431102001123111102021
5104423204322231211
61535142440454225
7122640445116542
oct15220133252211
93206757464768
10912704492681
1132209198a223
12128a7aa7a375
13680b5873bb7
14322647cb4c9
1518b1ca5abdb
hexd4816d5489

912704492681 has 2 divisors, whose sum is σ = 912704492682. Its totient is φ = 912704492680.

The previous prime is 912704492671. The next prime is 912704492683. The reversal of 912704492681 is 186294407219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911482640656 + 1221852025 = 954716^2 + 34955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-912704492681 is a prime.

It is a super-2 number, since 2×9127044926812 (a number of 25 digits) contains 22 as substring.

Together with 912704492683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (912704492683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456352246340 + 456352246341.

It is an arithmetic number, because the mean of its divisors is an integer number (456352246341).

Almost surely, 2912704492681 is an apocalyptic number.

It is an amenable number.

912704492681 is a deficient number, since it is larger than the sum of its proper divisors (1).

912704492681 is an equidigital number, since it uses as much as digits as its factorization.

912704492681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 912704492681 in words is "nine hundred twelve billion, seven hundred four million, four hundred ninety-two thousand, six hundred eighty-one".