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12221140274 = 272124705513
BaseRepresentation
bin10110110000110111…
…11100110100110010
31011112201020020202222
423120123330310302
5200012102442044
65340405241042
7611564656400
oct133033746462
934481206688
1012221140274
115201573632
122450a03182
1311c9c11265
1483d144470
154b7da38ee
hex2d86fcd32

12221140274 has 12 divisors (see below), whose sum is σ = 21324642894. Its totient is φ = 5237631504.

The previous prime is 12221140273. The next prime is 12221140301. The reversal of 12221140274 is 47204112221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11779846225 + 441294049 = 108535^2 + 21007^2 .

It is not an unprimeable number, because it can be changed into a prime (12221140273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62352659 + ... + 62352854.

Almost surely, 212221140274 is an apocalyptic number.

12221140274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12221140274 is a deficient number, since it is larger than the sum of its proper divisors (9103502620).

12221140274 is a wasteful number, since it uses less digits than its factorization.

12221140274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124705529 (or 124705522 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 12221140274 its reverse (47204112221), we get a palindrome (59425252495).

The spelling of 12221140274 in words is "twelve billion, two hundred twenty-one million, one hundred forty thousand, two hundred seventy-four".

Divisors: 1 2 7 14 49 98 124705513 249411026 872938591 1745877182 6110570137 12221140274