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12016252331460 = 223251389344916729
BaseRepresentation
bin1010111011011100000001…
…1100111010010111000100
31120112202001021201002021200
42232313000130322113010
53033333241044101320
641320105021542500
72350100635365036
oct256670034722704
946482037632250
1012016252331460
1139130781a5aa3
1214209b6714a30
13692187823770
142d7838275c56
1515c884b5b290
hexaedc073a5c4

12016252331460 has 288 divisors, whose sum is σ = 39708019260000. Its totient is φ = 2923589763072.

The previous prime is 12016252331431. The next prime is 12016252331471. The reversal of 12016252331460 is 6413325261021.

12016252331460 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 62 + 523 + 3 + 14 + 60 = 666.

12016252331460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 9574333554564 + 2441918776896 = 3094242^2 + 1562664^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 718280376 + ... + 718297104.

It is an arithmetic number, because the mean of its divisors is an integer number (137875066875).

Almost surely, 212016252331460 is an apocalyptic number.

12016252331460 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 12016252331460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19854009630000).

12016252331460 is an abundant number, since it is smaller than the sum of its proper divisors (27691766928540).

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

12016252331460 is a wasteful number, since it uses less digits than its factorization.

12016252331460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20295 (or 20290 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 12016252331460 its reverse (6413325261021), we get a palindrome (18429577592481).

The spelling of 12016252331460 in words is "twelve trillion, sixteen billion, two hundred fifty-two million, three hundred thirty-one thousand, four hundred sixty".