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15100111000001 = 53284907754717
BaseRepresentation
bin1101101110111100010011…
…0000001001000111000001
31222110120000200212002212102
43123233010300021013001
53434400011404000001
652040521211440145
73115642553513216
oct333570460110701
958416020762772
1015100111000001
1148a1a15000615
12183a604756055
13856c1ba247a1
143a2bc658bb0d
151b2bc64c7e6b
hexdbbc4c091c1

15100111000001 has 4 divisors (see below), whose sum is σ = 15385018754772. Its totient is φ = 14815203245232.

The previous prime is 15100110999937. The next prime is 15100111000153. The reversal of 15100111000001 is 10000011100151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6803124558400 + 8296986441601 = 2608280^2 + 2880449^2 .

It is a cyclic number.

It is not a de Polignac number, because 15100111000001 - 26 = 15100110999937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15100111000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142453877306 + ... + 142453877411.

It is an arithmetic number, because the mean of its divisors is an integer number (3846254688693).

Almost surely, 215100111000001 is an apocalyptic number.

It is an amenable number.

15100111000001 is a deficient number, since it is larger than the sum of its proper divisors (284907754771).

15100111000001 is an equidigital number, since it uses as much as digits as its factorization.

15100111000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284907754770.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 15100111000001 its reverse (10000011100151), we get a palindrome (25100122100152).

The spelling of 15100111000001 in words is "fifteen trillion, one hundred billion, one hundred eleven million, one", and thus it is an aban number.

Divisors: 1 53 284907754717 15100111000001