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12161424000 = 273531131743
BaseRepresentation
bin10110101001110000…
…01001101010000000
31011101112212100110010
423110320021222000
5144401311032000
65330433304520
7610241253435
oct132470115200
934345770403
1012161424000
115180896940
122434a05140
1311ba73349b
1483523bb8c
154b2a09d50
hex2d4e09a80

12161424000 has 512 divisors, whose sum is σ = 45459947520. Its totient is φ = 2849280000.

The previous prime is 12161423933. The next prime is 12161424017. The reversal of 12161424000 is 42416121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16367629 + ... + 16368371.

It is an arithmetic number, because the mean of its divisors is an integer number (88788960).

Almost surely, 212161424000 is an apocalyptic number.

12161424000 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 12161424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22729973760).

12161424000 is an abundant number, since it is smaller than the sum of its proper divisors (33298523520).

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

12161424000 is a wasteful number, since it uses less digits than its factorization.

12161424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The spelling of 12161424000 in words is "twelve billion, one hundred sixty-one million, four hundred twenty-four thousand".