Base | Representation |
---|---|
bin | 110101100111100100… |
… | …0110110001011101001 |
3 | 102000012121102011022202 |
4 | 1223033020312023221 |
5 | 3341303423234424 |
6 | 124521355025545 |
7 | 11214245563445 |
oct | 1531710661351 |
9 | 360177364282 |
10 | 115144352489 |
11 | 44917a922a1 |
12 | 1a39573b2b5 |
13 | ab2022ac6a |
14 | 58044dd825 |
15 | 2edda652ae |
hex | 1acf2362e9 |
115144352489 has 2 divisors, whose sum is σ = 115144352490. Its totient is φ = 115144352488.
The previous prime is 115144352459. The next prime is 115144352567. The reversal of 115144352489 is 984253441511.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 114419827600 + 724524889 = 338260^2 + 26917^2 .
It is a cyclic number.
It is not a de Polignac number, because 115144352489 - 232 = 110849385193 is a prime.
It is a super-2 number, since 2×1151443524892 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (115144352429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57572176244 + 57572176245.
It is an arithmetic number, because the mean of its divisors is an integer number (57572176245).
Almost surely, 2115144352489 is an apocalyptic number.
It is an amenable number.
115144352489 is a deficient number, since it is larger than the sum of its proper divisors (1).
115144352489 is an equidigital number, since it uses as much as digits as its factorization.
115144352489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 691200, while the sum is 47.
The spelling of 115144352489 in words is "one hundred fifteen billion, one hundred forty-four million, three hundred fifty-two thousand, four hundred eighty-nine".
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