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106994077987 is a prime number
BaseRepresentation
bin110001110100101011…
…0000001000100100011
3101020011121020022120011
41203221112001010203
53223110440443422
6121052530225351
710505261441266
oct1435126010443
9336147208504
10106994077987
1141415405445
12188a0125257
13a121821024
14526dcb8cdd
152bb3284077
hex18e9581123

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".