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12445105300424 = 231791508127209
BaseRepresentation
bin1011010100011001101000…
…0101001010001111001000
31122001201222210020010212122
42311012122011022033020
53112400033424103144
642245111421230412
72423062211441066
oct265063205121710
948051883203778
1012445105300424
113a68a37553a95
12148bb40702408
136c37509ba2b4
143104bc3c1036
15168ad46077ee
hexb519a14a3c8

12445105300424 has 16 divisors (see below), whose sum is σ = 24707194346700. Its totient is φ = 5856520141312.

The previous prime is 12445105300399. The next prime is 12445105300501. The reversal of 12445105300424 is 42400350154421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12276488303524 + 168616996900 = 3503782^2 + 410630^2 .

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 3 ways as a sum of consecutive naturals, for example, 45754063469 + ... + 45754063740.

Almost surely, 212445105300424 is an apocalyptic number.

It is an amenable number.

12445105300424 is a deficient number, since it is larger than the sum of its proper divisors (12262089046276).

12445105300424 is a wasteful number, since it uses less digits than its factorization.

12445105300424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91508127232 (or 91508127228 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12445105300424 its reverse (42400350154421), we get a palindrome (54845455454845).

The spelling of 12445105300424 in words is "twelve trillion, four hundred forty-five billion, one hundred five million, three hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 91508127209 183016254418 366032508836 732065017672 1555638162553 3111276325106 6222552650212 12445105300424