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16619412480 = 21035111931167
BaseRepresentation
bin11110111101001100…
…00001110000000000
31120220020100121222120
433132212001300000
5233014032144410
611345043404240
71125562450416
oct173646016000
946806317876
1016619412480
117059252640
123279983680
13174b1ba9a8
14b3932d2b6
1567409a570
hex3de981c00

16619412480 has 704 divisors, whose sum is σ = 63386910720. Its totient is φ = 3671654400.

The previous prime is 16619412479. The next prime is 16619412533. The reversal of 16619412480 is 8421491661.

It is a tau number, because it is divible by the number of its divisors (704).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99517357 + ... + 99517523.

Almost surely, 216619412480 is an apocalyptic number.

16619412480 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 16619412480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31693455360).

16619412480 is an abundant number, since it is smaller than the sum of its proper divisors (46767498240).

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

16619412480 is a wasteful number, since it uses less digits than its factorization.

16619412480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 16619412480 in words is "sixteen billion, six hundred nineteen million, four hundred twelve thousand, four hundred eighty".