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12031724016 = 2433134779577
BaseRepresentation
bin10110011010010010…
…11000100111110000
31011001111210220112000
423031021120213300
5144120110132031
65305521334000
7604104652404
oct131511304760
934044726460
1012031724016
11511465a374
1223b9497300
1311998c1430
14821d19104
154a643a3e6
hex2cd2589f0

12031724016 has 320 divisors, whose sum is σ = 38530867200. Its totient is φ = 3571236864.

The previous prime is 12031723987. The next prime is 12031724059. The reversal of 12031724016 is 61042713021.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 20851920 + ... + 20852496.

It is an arithmetic number, because the mean of its divisors is an integer number (120408960).

Almost surely, 212031724016 is an apocalyptic number.

12031724016 is a gapful number since it is divisible by the number (16) 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 12031724016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19265433600).

12031724016 is an abundant number, since it is smaller than the sum of its proper divisors (26499143184).

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

12031724016 is a wasteful number, since it uses less digits than its factorization.

12031724016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 12031724016 in words is "twelve billion, thirty-one million, seven hundred twenty-four thousand, sixteen".