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8124112189 is a prime number
BaseRepresentation
bin1111001000011110…
…00001110100111101
3202222011221122211001
413210033001310331
5113114233042224
63422051530301
7405215546164
oct74417016475
922864848731
108124112189
113499938806
1216a88b9991
139c617999b
14570d743db
15328364544
hex1e43c1d3d

8124112189 has 2 divisors, whose sum is σ = 8124112190. Its totient is φ = 8124112188.

The previous prime is 8124112181. The next prime is 8124112253. The reversal of 8124112189 is 9812114218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6862796964 + 1261315225 = 82842^2 + 35515^2 .

It is a cyclic number.

It is not a de Polignac number, because 8124112189 - 23 = 8124112181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8124112181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062056094 + 4062056095.

It is an arithmetic number, because the mean of its divisors is an integer number (4062056095).

Almost surely, 28124112189 is an apocalyptic number.

It is an amenable number.

8124112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8124112189 is an equidigital number, since it uses as much as digits as its factorization.

8124112189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 37.

The square root of 8124112189 is about 90133.8570627042. The cubic root of 8124112189 is about 2010.2896531493.

The spelling of 8124112189 in words is "eight billion, one hundred twenty-four million, one hundred twelve thousand, one hundred eighty-nine".