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19244243360 = 255120276521
BaseRepresentation
bin10001111011000010…
…111101100110100000
31211200011102212001002
4101323002331212200
5303403011241420
612501330531132
71250614240526
oct217302754640
954604385032
1019244243360
118185967961
123890a36aa8
131a78c45b64
14d07b96316
15779733075
hex47b0bd9a0

19244243360 has 24 divisors (see below), whose sum is σ = 45464525316. Its totient is φ = 7697697280.

The previous prime is 19244243341. The next prime is 19244243383. The reversal of 19244243360 is 6334244291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18399294736 + 844948624 = 135644^2 + 29068^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60138101 + ... + 60138420.

Almost surely, 219244243360 is an apocalyptic number.

19244243360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19244243360 is an abundant number, since it is smaller than the sum of its proper divisors (26220281956).

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

19244243360 is a wasteful number, since it uses less digits than its factorization.

19244243360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120276536 (or 120276528 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 19244243360 in words is "nineteen billion, two hundred forty-four million, two hundred forty-three thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 120276521 240553042 481106084 601382605 962212168 1202765210 1924424336 2405530420 3848848672 4811060840 9622121680 19244243360