Search a number
-
+
19475892480 = 2835111932389
BaseRepresentation
bin10010001000110110…
…101000100100000000
31212021022022211220010
4102020312220210000
5304341312024410
612540323544520
71256426232432
oct221066504400
955238284803
1019475892480
1182946a7310
12393652b140
131ab4c31945
14d2a856652
1578ec3ec20
hex488da8900

19475892480 has 288 divisors, whose sum is σ = 68235914880. Its totient is φ = 4694999040.

The previous prime is 19475892479. The next prime is 19475892493. The reversal of 19475892480 is 8429857491.

It is a self number, because there is not a number n which added to its sum of digits gives 19475892480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8151126 + ... + 8153514.

It is an arithmetic number, because the mean of its divisors is an integer number (236930260).

Almost surely, 219475892480 is an apocalyptic number.

19475892480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19475892480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34117957440).

19475892480 is an abundant number, since it is smaller than the sum of its proper divisors (48760022400).

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

19475892480 is a wasteful number, since it uses less digits than its factorization.

19475892480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 19475892480 in words is "nineteen billion, four hundred seventy-five million, eight hundred ninety-two thousand, four hundred eighty".