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115000643 is a prime number
BaseRepresentation
bin1101101101011…
…00010101000011
322000101122020002
412312230111003
5213420010033
615224510215
72564326562
oct666542503
9260348202
10115000643
1159a0775a
123261b36b
131aa96524
14113b7bd9
15a1693e8
hex6dac543

115000643 has 2 divisors, whose sum is σ = 115000644. Its totient is φ = 115000642.

The previous prime is 115000603. The next prime is 115000651. The reversal of 115000643 is 346000511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115000643 - 26 = 115000579 is a prime.

It is not a weakly prime, because it can be changed into another prime (115000603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57500321 + 57500322.

It is an arithmetic number, because the mean of its divisors is an integer number (57500322).

Almost surely, 2115000643 is an apocalyptic number.

115000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

115000643 is an equidigital number, since it uses as much as digits as its factorization.

115000643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 115000643 is about 10723.8352747513. The cubic root of 115000643 is about 486.2953194478.

The spelling of 115000643 in words is "one hundred fifteen million, six hundred forty-three", and thus it is an aban number.