Search a number
-
+
19308492024 = 2332315934739
BaseRepresentation
bin10001111110111000…
…000011010011111000
31211211122100000122020
4101332320003103320
5304020433221044
612511543554440
71252324321443
oct217670032370
954748300566
1019308492024
11820915a928
1238aa45ba20
131a8934c913
14d1251c65a
157801c4a19
hex47ee034f8

19308492024 has 32 divisors (see below), whose sum is σ = 48274704000. Its totient is φ = 6435700832.

The previous prime is 19308492023. The next prime is 19308492121. The reversal of 19308492024 is 42029480391.

It is a Cunningham number, because it is equal to 1389552-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19308492023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538447 + ... + 573185.

It is an arithmetic number, because the mean of its divisors is an integer number (1508584500).

Almost surely, 219308492024 is an apocalyptic number.

It is an amenable number.

19308492024 is an abundant number, since it is smaller than the sum of its proper divisors (28966211976).

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

19308492024 is a wasteful number, since it uses less digits than its factorization.

19308492024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57907 (or 57903 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 19308492024 in words is "nineteen billion, three hundred eight million, four hundred ninety-two thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 24 23159 34739 46318 69477 69478 92636 104217 138954 138956 185272 208434 277908 277912 416868 555816 833736 804520501 1609041002 2413561503 3218082004 4827123006 6436164008 9654246012 19308492024