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18109076101 is a prime number
BaseRepresentation
bin10000110111011000…
…101001001010000101
31201202001102101022021
4100313120221022011
5244041410413401
612152540203141
71210521415144
oct206730511205
951661371267
1018109076101
1177531129a6
1236148394b1
131927a0125c
14c3b10175b
1570ec522a1
hex437629285

18109076101 has 2 divisors, whose sum is σ = 18109076102. Its totient is φ = 18109076100.

The previous prime is 18109076081. The next prime is 18109076113. The reversal of 18109076101 is 10167090181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15671284225 + 2437791876 = 125185^2 + 49374^2 .

It is a cyclic number.

It is not a de Polignac number, because 18109076101 - 213 = 18109067909 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18109076801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9054538050 + 9054538051.

It is an arithmetic number, because the mean of its divisors is an integer number (9054538051).

Almost surely, 218109076101 is an apocalyptic number.

It is an amenable number.

18109076101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18109076101 is an equidigital number, since it uses as much as digits as its factorization.

18109076101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 18109076101 in words is "eighteen billion, one hundred nine million, seventy-six thousand, one hundred one".