Base | Representation |
---|---|
bin | 1100001111110… |
… | …10010010111001 |
3 | 21011022120210002 |
4 | 12013322102321 |
5 | 202300041311 |
6 | 14110002345 |
7 | 2355152006 |
oct | 607722271 |
9 | 234276702 |
10 | 102737081 |
11 | 52aa0987 |
12 | 2a4a63b5 |
13 | 18391595 |
14 | d9048ad |
15 | 904593b |
hex | 61fa4b9 |
102737081 has 2 divisors, whose sum is σ = 102737082. Its totient is φ = 102737080.
The previous prime is 102737059. The next prime is 102737083. The reversal of 102737081 is 180737201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 89113600 + 13623481 = 9440^2 + 3691^2 .
It is an emirp because it is prime and its reverse (180737201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102737081 - 226 = 35628217 is a prime.
It is a super-2 number, since 2×1027370812 = 21109815624801122, which contains 22 as substring.
Together with 102737083, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (102737083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51368540 + 51368541.
It is an arithmetic number, because the mean of its divisors is an integer number (51368541).
Almost surely, 2102737081 is an apocalyptic number.
It is an amenable number.
102737081 is a deficient number, since it is larger than the sum of its proper divisors (1).
102737081 is an equidigital number, since it uses as much as digits as its factorization.
102737081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 102737081 is about 10135.9301990493. The cubic root of 102737081 is about 468.3556252467.
The spelling of 102737081 in words is "one hundred two million, seven hundred thirty-seven thousand, eighty-one".
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