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15241490893 is a prime number
BaseRepresentation
bin11100011000111011…
…01011000111001101
31110100012112221220201
432030131223013031
5222203310202033
611000222013501
71046461351336
oct161435530715
943305487821
1015241490893
116511473772
122b54417291
13158b89c685
14a4832728d
155e311747d
hex38c76b1cd

15241490893 has 2 divisors, whose sum is σ = 15241490894. Its totient is φ = 15241490892.

The previous prime is 15241490863. The next prime is 15241490909. The reversal of 15241490893 is 39809414251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7897343689 + 7344147204 = 88867^2 + 85698^2 .

It is a cyclic number.

It is not a de Polignac number, because 15241490893 - 217 = 15241359821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15241490863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620745446 + 7620745447.

It is an arithmetic number, because the mean of its divisors is an integer number (7620745447).

Almost surely, 215241490893 is an apocalyptic number.

It is an amenable number.

15241490893 is a deficient number, since it is larger than the sum of its proper divisors (1).

15241490893 is an equidigital number, since it uses as much as digits as its factorization.

15241490893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 15241490893 in words is "fifteen billion, two hundred forty-one million, four hundred ninety thousand, eight hundred ninety-three".