Base | Representation |
---|---|
bin | 110001110100101011… |
… | …0000001000100100011 |
3 | 101020011121020022120011 |
4 | 1203221112001010203 |
5 | 3223110440443422 |
6 | 121052530225351 |
7 | 10505261441266 |
oct | 1435126010443 |
9 | 336147208504 |
10 | 106994077987 |
11 | 41415405445 |
12 | 188a0125257 |
13 | a121821024 |
14 | 526dcb8cdd |
15 | 2bb3284077 |
hex | 18e9581123 |
106994077987 has 2 divisors, whose sum is σ = 106994077988. Its totient is φ = 106994077986.
The previous prime is 106994077961. The next prime is 106994078021. The reversal of 106994077987 is 789770499601.
It is a weak prime.
It is an emirp because it is prime and its reverse (789770499601) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 106994077987 - 27 = 106994077859 is a prime.
It is a super-2 number, since 2×1069940779872 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (106994077087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53497038993 + 53497038994.
It is an arithmetic number, because the mean of its divisors is an integer number (53497038994).
Almost surely, 2106994077987 is an apocalyptic number.
106994077987 is a deficient number, since it is larger than the sum of its proper divisors (1).
106994077987 is an equidigital number, since it uses as much as digits as its factorization.
106994077987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48009024, while the sum is 67.
The spelling of 106994077987 in words is "one hundred six billion, nine hundred ninety-four million, seventy-seven thousand, nine hundred eighty-seven".
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