Base | Representation |
---|---|
bin | 1101101101111… |
… | …10000101100101 |
3 | 22000112100000002 |
4 | 12312332011211 |
5 | 213424322011 |
6 | 15230231045 |
7 | 2565051623 |
oct | 666760545 |
9 | 260470002 |
10 | 115073381 |
11 | 59a57375 |
12 | 32655485 |
13 | 1aac0677 |
14 | 113d6513 |
15 | a180c3b |
hex | 6dbe165 |
115073381 has 2 divisors, whose sum is σ = 115073382. Its totient is φ = 115073380.
The previous prime is 115073369. The next prime is 115073401. The reversal of 115073381 is 183370511.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 112996900 + 2076481 = 10630^2 + 1441^2 .
It is an emirp because it is prime and its reverse (183370511) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 115073381 - 26 = 115073317 is a prime.
It is a super-2 number, since 2×1150733812 = 26483766029542322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (115073681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57536690 + 57536691.
It is an arithmetic number, because the mean of its divisors is an integer number (57536691).
Almost surely, 2115073381 is an apocalyptic number.
It is an amenable number.
115073381 is a deficient number, since it is larger than the sum of its proper divisors (1).
115073381 is an equidigital number, since it uses as much as digits as its factorization.
115073381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 115073381 is about 10727.2261559082. The cubic root of 115073381 is about 486.3978252338.
The spelling of 115073381 in words is "one hundred fifteen million, seventy-three thousand, three hundred eighty-one".
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