Search a number
-
+
19046260009 = 72720894287
BaseRepresentation
bin10001101111001111…
…101101110100101001
31211011100220020221101
4101233033231310221
5303001320310014
612425535241401
71242661352560
oct215717556451
954140806841
1019046260009
118094132057
123836679261
131a46c1674a
14cc977abd7
15767176474
hex46f3edd29

19046260009 has 4 divisors (see below), whose sum is σ = 21767154304. Its totient is φ = 16325365716.

The previous prime is 19046259959. The next prime is 19046260019. The reversal of 19046260009 is 90006264091.

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 19046260009 - 213 = 19046251817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19046260009.

It is not an unprimeable number, because it can be changed into a prime (19046260019) 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, 1360447137 + ... + 1360447150.

It is an arithmetic number, because the mean of its divisors is an integer number (5441788576).

Almost surely, 219046260009 is an apocalyptic number.

It is an amenable number.

19046260009 is a deficient number, since it is larger than the sum of its proper divisors (2720894295).

19046260009 is an equidigital number, since it uses as much as digits as its factorization.

19046260009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720894294.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 19046260009 in words is "nineteen billion, forty-six million, two hundred sixty thousand, nine".

Divisors: 1 7 2720894287 19046260009