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19094834880 = 26325114161241
BaseRepresentation
bin10001110010001001…
…000000111011000000
31211021202022010010200
4101302021000323000
5303101234204010
612434432325200
71244121263352
oct216211007300
954252263120
1019094834880
11810959a080
12384a9a3800
131a53cc3284
14cd1dc30d2
1576b56dcc0
hex472240ec0

19094834880 has 672 divisors, whose sum is σ = 74909330496. Its totient is φ = 4423680000.

The previous prime is 19094834827. The next prime is 19094834893. The reversal of 19094834880 is 8843849091.

It is a super-2 number, since 2×190948348802 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79231560 + ... + 79231800.

It is an arithmetic number, because the mean of its divisors is an integer number (111472218).

Almost surely, 219094834880 is an apocalyptic number.

19094834880 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 19094834880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37454665248).

19094834880 is an abundant number, since it is smaller than the sum of its proper divisors (55814495616).

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

19094834880 is a wasteful number, since it uses less digits than its factorization.

19094834880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 19094834880 in words is "nineteen billion, ninety-four million, eight hundred thirty-four thousand, eight hundred eighty".