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12431330422 = 276114556593
BaseRepresentation
bin10111001001111011…
…10000110001110110
31012002100202000110021
423210331300301312
5200424410033142
65413314315354
7620026364560
oct134475606166
935070660407
1012431330422
1152aa1865a5
1224ab288b5a
131231625824
1485d01a330
154cb572267
hex2e4f70c76

12431330422 has 16 divisors (see below), whose sum is σ = 21660211872. Its totient is φ = 5240373120.

The previous prime is 12431330383. The next prime is 12431330441. The reversal of 12431330422 is 22403313421.

It is a super-3 number, since 3×124313304223 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7277443 + ... + 7279150.

It is an arithmetic number, because the mean of its divisors is an integer number (1353763242).

Almost surely, 212431330422 is an apocalyptic number.

12431330422 is a deficient number, since it is larger than the sum of its proper divisors (9228881450).

12431330422 is a wasteful number, since it uses less digits than its factorization.

12431330422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14556663.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12431330422 its reverse (22403313421), we get a palindrome (34834643843).

The spelling of 12431330422 in words is "twelve billion, four hundred thirty-one million, three hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 7 14 61 122 427 854 14556593 29113186 101896151 203792302 887952173 1775904346 6215665211 12431330422