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16000128000 = 2103253171943
BaseRepresentation
bin11101110011010111…
…01001010000000000
31112022002001201101100
432321223221100000
5230232013044000
611203402134400
71104332562333
oct167153512000
945262051340
1016000128000
116870722a8a
1231264b1400
13167cacc57c
14abada661a
15639a1da00
hex3b9ae9400

16000128000 has 1056 divisors, whose sum is σ = 65756845440. Its totient is φ = 3715891200.

The previous prime is 16000127939. The next prime is 16000128007. The reversal of 16000128000 is 82100061.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000128007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 372095979 + ... + 372096021.

It is an arithmetic number, because the mean of its divisors is an integer number (62269740).

Almost surely, 216000128000 is an apocalyptic number.

16000128000 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 16000128000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32878422720).

16000128000 is an abundant number, since it is smaller than the sum of its proper divisors (49756717440).

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

16000128000 is a wasteful number, since it uses less digits than its factorization.

16000128000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 16000128000 its reverse (82100061), we get a palindrome (16082228061).

The spelling of 16000128000 in words is "sixteen billion, one hundred twenty-eight thousand".