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12224241431 = 45673267647
BaseRepresentation
bin10110110001001111…
…10001111100010111
31011112221001210202122
423120213301330113
5200013401211211
65340555530155
7611633223563
oct133047617427
934487053678
1012224241431
1152032a1576
122451a5995b
1311ca75896c
1483d7106a3
154b82b76db
hex2d89f1f17

12224241431 has 4 divisors (see below), whose sum is σ = 12224554752. Its totient is φ = 12223928112.

The previous prime is 12224241409. The next prime is 12224241473. The reversal of 12224241431 is 13414242221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13414242221 = 31432717491.

It is a cyclic number.

It is not a de Polignac number, because 12224241431 - 210 = 12224240407 is a prime.

It is a super-2 number, since 2×122242414312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12224241431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224241401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88151 + ... + 179496.

It is an arithmetic number, because the mean of its divisors is an integer number (3056138688).

Almost surely, 212224241431 is an apocalyptic number.

12224241431 is a deficient number, since it is larger than the sum of its proper divisors (313321).

12224241431 is an equidigital number, since it uses as much as digits as its factorization.

12224241431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313320.

The product of its digits is 3072, while the sum is 26.

Adding to 12224241431 its reverse (13414242221), we get a palindrome (25638483652).

The spelling of 12224241431 in words is "twelve billion, two hundred twenty-four million, two hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 45673 267647 12224241431