Base | Representation |
---|---|
bin | 11010100010111011110… |
… | …00001010011111101001 |
3 | 10020012022101020210222022 |
4 | 31101131320022133221 |
5 | 104420444131232024 |
6 | 1535003333234225 |
7 | 122616613452521 |
oct | 15213570123751 |
9 | 3205271223868 |
10 | 912108070889 |
11 | 321906255754 |
12 | 128933192975 |
13 | 6801c12bbb2 |
14 | 322094d6681 |
15 | 18ad54e835e |
hex | d45de0a7e9 |
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".
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