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99457112101 is a prime number
BaseRepresentation
bin101110010100000011…
…0110001100000100101
3100111201100002210001111
41130220012301200211
53112142010041401
6113405011025021
710120432334644
oct1345006614045
9314640083044
1099457112101
11391a7a46416
1217337b9b171
1394c01bc4b9
144b56d0335b
1528c174de51
hex17281b1825

99457112101 has 2 divisors, whose sum is σ = 99457112102. Its totient is φ = 99457112100.

The previous prime is 99457112099. The next prime is 99457112107. The reversal of 99457112101 is 10121175499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97890139876 + 1566972225 = 312874^2 + 39585^2 .

It is a cyclic number.

It is not a de Polignac number, because 99457112101 - 21 = 99457112099 is a prime.

Together with 99457112099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99457112107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49728556050 + 49728556051.

It is an arithmetic number, because the mean of its divisors is an integer number (49728556051).

Almost surely, 299457112101 is an apocalyptic number.

It is an amenable number.

99457112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

99457112101 is an equidigital number, since it uses as much as digits as its factorization.

99457112101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 99457112101 in words is "ninety-nine billion, four hundred fifty-seven million, one hundred twelve thousand, one hundred one".