Search a number
-
+
19214447382 = 2321382113023
BaseRepresentation
bin10001111001010001…
…010011001100010110
31211121002101001122100
4101321101103030112
5303322344304012
612454344142530
71250103052014
oct217121231426
954532331570
1019214447382
118170066789
123882a67a46
131a72a129c0
14d03c3b8b4
15776ce98dc
hex479453316

19214447382 has 24 divisors (see below), whose sum is σ = 44833711104. Its totient is φ = 5912137584.

The previous prime is 19214447377. The next prime is 19214447383. The reversal of 19214447382 is 28374441291.

19214447382 is a `hidden beast` number, since 1 + 92 + 14 + 4 + 473 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19214447383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41056278 + ... + 41056745.

It is an arithmetic number, because the mean of its divisors is an integer number (1868071296).

Almost surely, 219214447382 is an apocalyptic number.

19214447382 is an abundant number, since it is smaller than the sum of its proper divisors (25619263722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19214447382 is a wasteful number, since it uses less digits than its factorization.

19214447382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82113044 (or 82113041 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 19214447382 in words is "nineteen billion, two hundred fourteen million, four hundred forty-seven thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 82113023 164226046 246339069 492678138 739017207 1067469299 1478034414 2134938598 3202407897 6404815794 9607223691 19214447382