Search a number
-
+
19055748155 = 523899159469
BaseRepresentation
bin10001101111110011…
…111010010000111011
31211012000202022020012
4101233303322100323
5303011232420110
612430514452135
71243135121033
oct215763722073
954160668205
1019055748155
1180995226a4
12383989404b
131a48b89332
14ccab2a8c3
15767dec905
hex46fcfa43b

19055748155 has 8 divisors (see below), whose sum is σ = 22867998000. Its totient is φ = 15243865056.

The previous prime is 19055748139. The next prime is 19055748163. The reversal of 19055748155 is 55184755091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19055748155 - 24 = 19055748139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39761 + ... + 199229.

It is an arithmetic number, because the mean of its divisors is an integer number (2858499750).

Almost surely, 219055748155 is an apocalyptic number.

19055748155 is a deficient number, since it is larger than the sum of its proper divisors (3812249845).

19055748155 is a wasteful number, since it uses less digits than its factorization.

19055748155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183373.

The product of its (nonzero) digits is 1260000, while the sum is 50.

The spelling of 19055748155 in words is "nineteen billion, fifty-five million, seven hundred forty-eight thousand, one hundred fifty-five".

Divisors: 1 5 23899 119495 159469 797345 3811149631 19055748155