Base | Representation |
---|---|
bin | 1100110111010… |
… | …11011000000001 |
3 | 21112001211211102 |
4 | 12123223120001 |
5 | 210111400344 |
6 | 14413024145 |
7 | 2450203133 |
oct | 633533001 |
9 | 245054742 |
10 | 107918849 |
11 | 55a10035 |
12 | 30185055 |
13 | 1948700c |
14 | 10493053 |
15 | 971ae4e |
hex | 66eb601 |
107918849 has 2 divisors, whose sum is σ = 107918850. Its totient is φ = 107918848.
The previous prime is 107918813. The next prime is 107918851. The reversal of 107918849 is 948819701.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 97160449 + 10758400 = 9857^2 + 3280^2 .
It is a cyclic number.
It is not a de Polignac number, because 107918849 - 212 = 107914753 is a prime.
Together with 107918851, 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 (107918869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53959424 + 53959425.
It is an arithmetic number, because the mean of its divisors is an integer number (53959425).
Almost surely, 2107918849 is an apocalyptic number.
It is an amenable number.
107918849 is a deficient number, since it is larger than the sum of its proper divisors (1).
107918849 is an equidigital number, since it uses as much as digits as its factorization.
107918849 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 145152, while the sum is 47.
The square root of 107918849 is about 10388.3997323938. The cubic root of 107918849 is about 476.1010086821.
The spelling of 107918849 in words is "one hundred seven million, nine hundred eighteen thousand, eight hundred forty-nine".
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