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12214794240 = 2113251112049
BaseRepresentation
bin10110110000000111…
…01111100000000000
31011112021021211122200
423120003233200000
5200003441403430
65340021233200
7611460016005
oct133003574000
934467254580
1012214794240
1151a8a29780
12244a862800
1311c87cb8cc
1483c3718ac
154b754d460
hex2d80ef800

12214794240 has 288 divisors, whose sum is σ = 46186686000. Its totient is φ = 2960916480.

The previous prime is 12214794217. The next prime is 12214794247. The reversal of 12214794240 is 4249741221.

It is a happy number.

12214794240 is a `hidden beast` number, since 1 + 221 + 4 + 7 + 9 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 = 12214794195 and 12214794204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214794247) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1007736 + ... + 1019784.

Almost surely, 212214794240 is an apocalyptic number.

12214794240 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 12214794240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23093343000).

12214794240 is an abundant number, since it is smaller than the sum of its proper divisors (33971891760).

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

12214794240 is a wasteful number, since it uses less digits than its factorization.

12214794240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093 (or 12070 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12214794240 in words is "twelve billion, two hundred fourteen million, seven hundred ninety-four thousand, two hundred forty".