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12448274422 = 219439778539
BaseRepresentation
bin10111001011111100…
…11001011111110110
31012010112121212020211
423211332121133312
5200443224240142
65415121420034
7620323405153
oct134576313766
935115555224
1012448274422
1153087a9901
1224b4a9a61a
131234ca8c6c
1486138b22a
154cccbc917
hex2e5f997f6

12448274422 has 32 divisors (see below), whose sum is σ = 20319868800. Its totient is φ = 5699973888.

The previous prime is 12448274407. The next prime is 12448274437. The reversal of 12448274422 is 22447284421.

It is an interprime number because it is at equal distance from previous prime (12448274407) and next prime (12448274437).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119229 + ... + 197767.

It is an arithmetic number, because the mean of its divisors is an integer number (634995900).

Almost surely, 212448274422 is an apocalyptic number.

12448274422 is a deficient number, since it is larger than the sum of its proper divisors (7871594378).

12448274422 is a wasteful number, since it uses less digits than its factorization.

12448274422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78700.

The product of its digits is 229376, while the sum is 40.

Subtracting 12448274422 from its reverse (22447284421), we obtain a palindrome (9999009999).

The spelling of 12448274422 in words is "twelve billion, four hundred forty-eight million, two hundred seventy-four thousand, four hundred twenty-two".

Divisors: 1 2 19 38 43 86 97 194 817 1634 1843 3686 4171 8342 78539 79249 157078 158498 1492241 2984482 3377177 6754354 7618283 15236566 64166363 128332726 144747377 289494754 327586169 655172338 6224137211 12448274422