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19080064080 = 24335711210429
BaseRepresentation
bin10001110001010000…
…101010110001010000
31211020201111200102000
4101301100222301100
5303033444022310
612433143554000
71243551603660
oct216120526120
954221450360
1019080064080
118101220600
123845a5b900
131a50c2105c
14cd005a1a0
1576a1024c0
hex47142ac50

19080064080 has 480 divisors, whose sum is σ = 82565548800. Its totient is φ = 3964308480.

The previous prime is 19080064037. The next prime is 19080064177. The reversal of 19080064080 is 8046008091.

It is a happy number.

19080064080 is a `hidden beast` number, since 1 + 9 + 0 + 8 + 0 + 0 + 640 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1824306 + ... + 1834734.

It is an arithmetic number, because the mean of its divisors is an integer number (172011560).

Almost surely, 219080064080 is an apocalyptic number.

19080064080 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 19080064080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41282774400).

19080064080 is an abundant number, since it is smaller than the sum of its proper divisors (63485484720).

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

19080064080 is a wasteful number, since it uses less digits than its factorization.

19080064080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480 (or 10457 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 19080064080 in words is "nineteen billion, eighty million, sixty-four thousand, eighty".