Base | Representation |
---|---|
bin | 110110100000111011… |
… | …0101110101111110001 |
3 | 102012011201221112102200 |
4 | 1231001312232233301 |
5 | 3404224124431111 |
6 | 125440350333413 |
7 | 11313035640105 |
oct | 1550166565761 |
9 | 365151845380 |
10 | 117068983281 |
11 | 45715430958 |
12 | 1a8321ba269 |
13 | b068ba6953 |
14 | 5947d79905 |
15 | 30a29db256 |
hex | 1b41daebf1 |
117068983281 has 6 divisors (see below), whose sum is σ = 169099642530. Its totient is φ = 78045988848.
The previous prime is 117068983279. The next prime is 117068983307. The reversal of 117068983281 is 182389860711.
117068983281 is a `hidden beast` number, since 1 + 170 + 68 + 98 + 328 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 88004189025 + 29064794256 = 296655^2 + 170484^2 .
It is not a de Polignac number, because 117068983281 - 21 = 117068983279 is a prime.
It is a super-2 number, since 2×1170689832812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (117068983231) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6503832396 + ... + 6503832413.
It is an arithmetic number, because the mean of its divisors is an integer number (28183273755).
Almost surely, 2117068983281 is an apocalyptic number.
It is an amenable number.
117068983281 is a deficient number, since it is larger than the sum of its proper divisors (52030659249).
117068983281 is a wasteful number, since it uses less digits than its factorization.
117068983281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13007664815 (or 13007664812 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 54.
The spelling of 117068983281 in words is "one hundred seventeen billion, sixty-eight million, nine hundred eighty-three thousand, two hundred eighty-one".
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