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12065414940 = 2234567891249
BaseRepresentation
bin10110011110010011…
…11001111100011100
31011010212012120210000
423033021321330130
5144202221234230
65313123414300
7604664222565
oct131711717434
934125176700
1012065414940
115131680907
122408824390
1311a38893a7
148265a916c
154a9392b60
hex2cf279f1c

12065414940 has 240 divisors, whose sum is σ = 38877300000. Its totient is φ = 3131301888.

The previous prime is 12065414929. The next prime is 12065414971. The reversal of 12065414940 is 4941456021.

12065414940 is a `hidden beast` number, since 1 + 20 + 6 + 541 + 4 + 94 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12065414895 and 12065414904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9659436 + ... + 9660684.

It is an arithmetic number, because the mean of its divisors is an integer number (161988750).

Almost surely, 212065414940 is an apocalyptic number.

12065414940 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 12065414940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19438650000).

12065414940 is an abundant number, since it is smaller than the sum of its proper divisors (26811885060).

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

12065414940 is a wasteful number, since it uses less digits than its factorization.

12065414940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12065414940 in words is "twelve billion, sixty-five million, four hundred fourteen thousand, nine hundred forty".