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19030441793 = 111730040163
BaseRepresentation
bin10001101110010011…
…010111111101000001
31211010021010121102112
4101232103113331001
5302433243114133
612424212225105
71242410041406
oct215623277501
954107117375
1019030441793
118086208650
12383130b195
131a4386885c
14cc76202ad
15765a9e648
hex46e4d7f41

19030441793 has 4 divisors (see below), whose sum is σ = 20760481968. Its totient is φ = 17300401620.

The previous prime is 19030441769. The next prime is 19030441847. The reversal of 19030441793 is 39714403091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19030441793 - 214 = 19030425409 is a prime.

It is a super-2 number, since 2×190304417932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19030441793.

It is not an unprimeable number, because it can be changed into a prime (19030446793) 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 in 3 ways as a sum of consecutive naturals, for example, 865020071 + ... + 865020092.

It is an arithmetic number, because the mean of its divisors is an integer number (5190120492).

Almost surely, 219030441793 is an apocalyptic number.

It is an amenable number.

19030441793 is a deficient number, since it is larger than the sum of its proper divisors (1730040175).

19030441793 is a wasteful number, since it uses less digits than its factorization.

19030441793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730040174.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 19030441793 in words is "nineteen billion, thirty million, four hundred forty-one thousand, seven hundred ninety-three".

Divisors: 1 11 1730040163 19030441793