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12242421233 = 7832253871
BaseRepresentation
bin10110110011011010…
…01000010111110001
31011121012021102202122
423121231020113301
5200033024434413
65342445324025
7612243602120
oct133155102761
934535242678
1012242421233
1152125892a9
122457b66615
131201452743
14841cc3ab7
154b9ba9108
hex2d9b485f1

12242421233 has 12 divisors (see below), whose sum is σ = 14161995648. Its totient is φ = 10367035320.

The previous prime is 12242421229. The next prime is 12242421239. The reversal of 12242421233 is 33212424221.

It is not a de Polignac number, because 12242421233 - 22 = 12242421229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12242421239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78713 + ... + 175158.

It is an arithmetic number, because the mean of its divisors is an integer number (1180166304).

Almost surely, 212242421233 is an apocalyptic number.

It is an amenable number.

12242421233 is a deficient number, since it is larger than the sum of its proper divisors (1919574415).

12242421233 is an frugal number, since it uses more digits than its factorization.

12242421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254044 (or 253961 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 12242421233 its reverse (33212424221), we get a palindrome (45454845454).

The spelling of 12242421233 in words is "twelve billion, two hundred forty-two million, four hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 7 83 581 6889 48223 253871 1777097 21071293 147499051 1748917319 12242421233