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80189888111 is a prime number
BaseRepresentation
bin100101010101110110…
…0001001011001101111
321122222120102101111222
41022223230021121233
52303212102404421
6100501055333555
75536115542154
oct1125354113157
9248876371458
1080189888111
1131010112903
121365b5212bb
13773c58b648
143c4a08822b
152144ecbcab
hex12abb0966f

80189888111 has 2 divisors, whose sum is σ = 80189888112. Its totient is φ = 80189888110.

The previous prime is 80189888099. The next prime is 80189888147. The reversal of 80189888111 is 11188898108.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80189888111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80189848111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40094944055 + 40094944056.

It is an arithmetic number, because the mean of its divisors is an integer number (40094944056).

Almost surely, 280189888111 is an apocalyptic number.

80189888111 is a deficient number, since it is larger than the sum of its proper divisors (1).

80189888111 is an equidigital number, since it uses as much as digits as its factorization.

80189888111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 53.

The spelling of 80189888111 in words is "eighty billion, one hundred eighty-nine million, eight hundred eighty-eight thousand, one hundred eleven".