Base | Representation |
---|---|
bin | 110101101010100010… |
… | …1110110101010111101 |
3 | 102000110120100112101002 |
4 | 1223111011312222331 |
5 | 3342010010400412 |
6 | 124535323500045 |
7 | 11216600542463 |
oct | 1532505665275 |
9 | 360416315332 |
10 | 115244231357 |
11 | 44969400812 |
12 | 1a403087625 |
13 | ab37b2b598 |
14 | 581389c833 |
15 | 2ee76e3dc2 |
hex | 1ad5176abd |
115244231357 has 2 divisors, whose sum is σ = 115244231358. Its totient is φ = 115244231356.
The previous prime is 115244231341. The next prime is 115244231369. The reversal of 115244231357 is 753132442511.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 114456362596 + 787868761 = 338314^2 + 28069^2 .
It is a cyclic number.
It is not a de Polignac number, because 115244231357 - 24 = 115244231341 is a prime.
It is a super-2 number, since 2×1152442313572 (a number of 23 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 115244231357.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (115244231317) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57622115678 + 57622115679.
It is an arithmetic number, because the mean of its divisors is an integer number (57622115679).
Almost surely, 2115244231357 is an apocalyptic number.
It is an amenable number.
115244231357 is a deficient number, since it is larger than the sum of its proper divisors (1).
115244231357 is an equidigital number, since it uses as much as digits as its factorization.
115244231357 is an evil number, because the sum of its binary digits is even.
The product of its digits is 100800, while the sum is 38.
Adding to 115244231357 its reverse (753132442511), we get a palindrome (868376673868).
The spelling of 115244231357 in words is "one hundred fifteen billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred fifty-seven".
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