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12220030324 = 2229547192587
BaseRepresentation
bin10110110000101111…
…01101110101110100
31011112122010212012201
423120113231311310
5200011311432244
65340325354244
7611552354365
oct133027556564
934478125181
1012220030324
115200985717
122450568984
1311c9912c98
1483cd35b6c
154b7c34ad4
hex2d85edd74

12220030324 has 24 divisors (see below), whose sum is σ = 22163027040. Its totient is φ = 5888509536.

The previous prime is 12220030283. The next prime is 12220030327. The reversal of 12220030324 is 42303002221.

It is a super-2 number, since 2×122200303242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220030327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32842 + ... + 159745.

It is an arithmetic number, because the mean of its divisors is an integer number (923459460).

Almost surely, 212220030324 is an apocalyptic number.

It is an amenable number.

12220030324 is a deficient number, since it is larger than the sum of its proper divisors (9942996716).

12220030324 is a wasteful number, since it uses less digits than its factorization.

12220030324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193167 (or 193165 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12220030324 its reverse (42303002221), we get a palindrome (54523032545).

The spelling of 12220030324 in words is "twelve billion, two hundred twenty million, thirty thousand, three hundred twenty-four".

Divisors: 1 2 4 29 58 116 547 1094 2188 15863 31726 63452 192587 385174 770348 5585023 11170046 22340092 105345089 210690178 421380356 3055007581 6110015162 12220030324