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12242461645213 = 412069144319297
BaseRepresentation
bin1011001000100110101110…
…0100111101100110011101
31121100100221012102212012021
42302021223210331212131
53101040030140121323
642012035332340141
72402326420002352
oct262115344754635
947310835385167
1012242461645213
11399aaa9490578
121458807774651
136aa5c7a819c7
14304777176629
151636c402d05d
hexb226b93d99d

12242461645213 has 8 divisors (see below), whose sum is σ = 12547119768120. Its totient is φ = 11938092165120.

The previous prime is 12242461645201. The next prime is 12242461645217. The reversal of 12242461645213 is 31254616424221.

It can be written as a sum of positive squares in 4 ways, for example, as 55289879044 + 12187171766169 = 235138^2 + 3491013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12242461645213 - 241 = 10043438389661 is a prime.

It is a super-2 number, since 2×122424616452132 (a number of 27 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 12242461645213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242461645217) 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, 72074820 + ... + 72244477.

It is an arithmetic number, because the mean of its divisors is an integer number (1568389971015).

Almost surely, 212242461645213 is an apocalyptic number.

It is an amenable number.

12242461645213 is a deficient number, since it is larger than the sum of its proper divisors (304658122907).

12242461645213 is a wasteful number, since it uses less digits than its factorization.

12242461645213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144321407.

The product of its digits is 552960, while the sum is 43.

The spelling of 12242461645213 in words is "twelve trillion, two hundred forty-two billion, four hundred sixty-one million, six hundred forty-five thousand, two hundred thirteen".

Divisors: 1 41 2069 84829 144319297 5917091177 298596625493 12242461645213