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98311211389 is a prime number
BaseRepresentation
bin101101110001111001…
…1100000100101111101
3100101202110212222210101
41123203303200211331
53102320132231024
6113055154241101
710050146336356
oct1334363404575
9311673788711
1098311211389
113876a130236
1217078286191
13936998a241
144a88a56d2d
152855d4cc44
hex16e3ce097d

98311211389 has 2 divisors, whose sum is σ = 98311211390. Its totient is φ = 98311211388.

The previous prime is 98311211387. The next prime is 98311211393.

98311211389 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83653992900 + 14657218489 = 289230^2 + 121067^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98311211389 - 21 = 98311211387 is a prime.

Together with 98311211387, 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 (98311211381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49155605694 + 49155605695.

It is an arithmetic number, because the mean of its divisors is an integer number (49155605695).

Almost surely, 298311211389 is an apocalyptic number.

It is an amenable number.

98311211389 is a deficient number, since it is larger than the sum of its proper divisors (1).

98311211389 is an equidigital number, since it uses as much as digits as its factorization.

98311211389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 46.

The spelling of 98311211389 in words is "ninety-eight billion, three hundred eleven million, two hundred eleven thousand, three hundred eighty-nine".