Search a number
-
+
19014614429 = 31613374659
BaseRepresentation
bin10001101101010110…
…111111110110011101
31211002011100111100212
4101231112333312131
5302420220130204
612422445102205
71242125361446
oct215526776635
954064314325
1019014614429
118078288288
123827b57965
131a404b6755
14cc54a02cd
157644c4c6e
hex46d5bfd9d

19014614429 has 4 divisors (see below), whose sum is σ = 19627989120. Its totient is φ = 18401239740.

The previous prime is 19014614369. The next prime is 19014614543. The reversal of 19014614429 is 92441641091.

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 a de Polignac number, because none of the positive numbers 2k-19014614429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19014614029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306687299 + ... + 306687360.

It is an arithmetic number, because the mean of its divisors is an integer number (4906997280).

Almost surely, 219014614429 is an apocalyptic number.

It is an amenable number.

19014614429 is a deficient number, since it is larger than the sum of its proper divisors (613374691).

19014614429 is an equidigital number, since it uses as much as digits as its factorization.

19014614429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613374690.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 19014614429 in words is "nineteen billion, fourteen million, six hundred fourteen thousand, four hundred twenty-nine".

Divisors: 1 31 613374659 19014614429