Base | Representation |
---|---|
bin | 1100111110111… |
… | …01100101111001 |
3 | 21120221020202121 |
4 | 12133131211321 |
5 | 210340122334 |
6 | 14450201241 |
7 | 2461504456 |
oct | 637354571 |
9 | 246836677 |
10 | 108910969 |
11 | 56528472 |
12 | 30583221 |
13 | 1974377b |
14 | 1067082d |
15 | 9864db4 |
hex | 67dd979 |
108910969 has 2 divisors, whose sum is σ = 108910970. Its totient is φ = 108910968.
The previous prime is 108910951. The next prime is 108910981. The reversal of 108910969 is 969019801.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 83539600 + 25371369 = 9140^2 + 5037^2 .
It is a cyclic number.
It is not a de Polignac number, because 108910969 - 25 = 108910937 is a prime.
It is a super-2 number, since 2×1089109692 = 23723198337037922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (108910169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54455484 + 54455485.
It is an arithmetic number, because the mean of its divisors is an integer number (54455485).
Almost surely, 2108910969 is an apocalyptic number.
It is an amenable number.
108910969 is a deficient number, since it is larger than the sum of its proper divisors (1).
108910969 is an equidigital number, since it uses as much as digits as its factorization.
108910969 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34992, while the sum is 43.
The square root of 108910969 is about 10436.0418262864. The cubic root of 108910969 is about 477.5555250984. Note that the first 4 decimals are identical.
The spelling of 108910969 in words is "one hundred eight million, nine hundred ten thousand, nine hundred sixty-nine".
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