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12254324421 = 317371964609
BaseRepresentation
bin10110110100110101…
…00010011011000101
31011122000200011212110
423122122202123011
5200044101340141
65343552411233
7612450016233
oct133232423305
934560604773
1012254324421
115219279349
12245bb46b19
131203a5c651
14843701953
154bac5ae16
hex2da6a26c5

12254324421 has 16 divisors (see below), whose sum is σ = 17305142400. Its totient is φ = 7686801408.

The previous prime is 12254324413. The next prime is 12254324431. The reversal of 12254324421 is 12442345221.

It is a happy number.

12254324421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12254324421 - 23 = 12254324413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254324431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157365 + ... + 221973.

It is an arithmetic number, because the mean of its divisors is an integer number (1081571400).

Almost surely, 212254324421 is an apocalyptic number.

It is an amenable number.

12254324421 is a deficient number, since it is larger than the sum of its proper divisors (5050817979).

12254324421 is a wasteful number, since it uses less digits than its factorization.

12254324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68348.

The product of its digits is 15360, while the sum is 30.

Adding to 12254324421 its reverse (12442345221), we get a palindrome (24696669642).

The spelling of 12254324421 in words is "twelve billion, two hundred fifty-four million, three hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 3 17 51 3719 11157 63223 64609 189669 193827 1098353 3295059 240280871 720842613 4084774807 12254324421