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12224033031 = 3723157161201
BaseRepresentation
bin10110110001001101…
…11111000100000111
31011112220200012220010
423120212333010013
5200013323024111
65340551241303
7611631365160
oct133046770407
934486605803
1012224033031
115203169a41
122451979233
1311ca6b4b52
1483d698767
154b8275aa6
hex2d89bf107

12224033031 has 32 divisors (see below), whose sum is σ = 19560895488. Its totient is φ = 6638860800.

The previous prime is 12224032969. The next prime is 12224033071. The reversal of 12224033031 is 13033042221.

It is not a de Polignac number, because 12224033031 - 211 = 12224030983 is a prime.

It is a super-2 number, since 2×122240330312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12224032989 and 12224033007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224033071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4770 + ... + 156431.

It is an arithmetic number, because the mean of its divisors is an integer number (611277984).

Almost surely, 212224033031 is an apocalyptic number.

12224033031 is a deficient number, since it is larger than the sum of its proper divisors (7336862457).

12224033031 is a wasteful number, since it uses less digits than its factorization.

12224033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161391.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12224033031 its reverse (13033042221), we get a palindrome (25257075252).

The spelling of 12224033031 in words is "twelve billion, two hundred twenty-four million, thirty-three thousand, thirty-one".

Divisors: 1 3 7 21 23 69 157 161 471 483 1099 3297 3611 10833 25277 75831 161201 483603 1128407 3385221 3707623 11122869 25308557 25953361 75925671 77860083 177159899 531479697 582096811 1746290433 4074677677 12224033031