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16124378688 = 26321121731439
BaseRepresentation
bin11110000010001011…
…00111111001000000
31112121201212022021200
433001011213321000
5231010320104223
611224001221200
71110401646255
oct170105477100
945551768250
1016124378688
116924878400
123160031800
13169c7841a2
14acd6ab42c
156458b3a43
hex3c1167e40

16124378688 has 504 divisors, whose sum is σ = 55651115520. Its totient is φ = 4440268800.

The previous prime is 16124378687. The next prime is 16124378729. The reversal of 16124378688 is 88687342161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16124378681) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36729573 + ... + 36730011.

It is an arithmetic number, because the mean of its divisors is an integer number (110418880).

Almost surely, 216124378688 is an apocalyptic number.

16124378688 is a gapful number since it is divisible by the number (18) 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 16124378688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27825557760).

16124378688 is an abundant number, since it is smaller than the sum of its proper divisors (39526736832).

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

16124378688 is a wasteful number, since it uses less digits than its factorization.

16124378688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 503 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 16124378688 in words is "sixteen billion, one hundred twenty-four million, three hundred seventy-eight thousand, six hundred eighty-eight".