Search a number
-
+
19019307415 = 5113180118691
BaseRepresentation
bin10001101101101000…
…111001100110010111
31211002111011220221011
4101231220321212113
5302422420314130
612423133433051
71242213305563
oct215550714627
954074156834
1019019307415
11807a9a3189
12382963b787
131a4146a874
14cc5d626a3
15764b0052a
hex46da39997

19019307415 has 16 divisors (see below), whose sum is σ = 23039161056. Its totient is φ = 15071616000.

The previous prime is 19019307403. The next prime is 19019307449. The reversal of 19019307415 is 51470391091.

It is not a de Polignac number, because 19019307415 - 215 = 19019274647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1008220 + ... + 1026910.

It is an arithmetic number, because the mean of its divisors is an integer number (1439947566).

Almost surely, 219019307415 is an apocalyptic number.

19019307415 is a deficient number, since it is larger than the sum of its proper divisors (4019853641).

19019307415 is a wasteful number, since it uses less digits than its factorization.

19019307415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 19019307415 in words is "nineteen billion, nineteen million, three hundred seven thousand, four hundred fifteen".

Divisors: 1 5 113 565 1801 9005 18691 93455 203513 1017565 2112083 10560415 33662491 168312455 3803861483 19019307415