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912108070889 is a prime number
BaseRepresentation
bin11010100010111011110…
…00001010011111101001
310020012022101020210222022
431101131320022133221
5104420444131232024
61535003333234225
7122616613452521
oct15213570123751
93205271223868
10912108070889
11321906255754
12128933192975
136801c12bbb2
14322094d6681
1518ad54e835e
hexd45de0a7e9

912108070889 has 2 divisors, whose sum is σ = 912108070890. Its totient is φ = 912108070888.

The previous prime is 912108070859. The next prime is 912108070921. The reversal of 912108070889 is 988070801219.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850467595264 + 61640475625 = 922208^2 + 248275^2 .

It is a cyclic number.

It is not a de Polignac number, because 912108070889 - 228 = 911839635433 is a prime.

It is a super-2 number, since 2×9121080708892 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 912108070889.

It is not a weakly prime, because it can be changed into another prime (912108070829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456054035444 + 456054035445.

It is an arithmetic number, because the mean of its divisors is an integer number (456054035445).

Almost surely, 2912108070889 is an apocalyptic number.

It is an amenable number.

912108070889 is a deficient number, since it is larger than the sum of its proper divisors (1).

912108070889 is an equidigital number, since it uses as much as digits as its factorization.

912108070889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 53.

The spelling of 912108070889 in words is "nine hundred twelve billion, one hundred eight million, seventy thousand, eight hundred eighty-nine".