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12243670998 = 23136116315787
BaseRepresentation
bin10110110011100011…
…11001011111010110
31011121021121221010020
423121301321133112
5200033334432443
65342532210010
7612260325546
oct133161713726
934537557106
1012243670998
115213262269
122458469906
13120179c550
1484212b326
154b9d54583
hex2d9c797d6

12243670998 has 64 divisors (see below), whose sum is σ = 26969440512. Its totient is φ = 3682558080.

The previous prime is 12243670903. The next prime is 12243671017. The reversal of 12243670998 is 89907634221.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12243670998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767661 + ... + 783447.

It is an arithmetic number, because the mean of its divisors is an integer number (421397508).

Almost surely, 212243670998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12243670998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484720256).

12243670998 is an abundant number, since it is smaller than the sum of its proper divisors (14725769514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243670998 is a wasteful number, since it uses less digits than its factorization.

12243670998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16029.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 12243670998 in words is "twelve billion, two hundred forty-three million, six hundred seventy thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 61 78 122 163 183 326 366 489 793 978 1586 2119 2379 4238 4758 6357 9943 12714 15787 19886 29829 31574 47361 59658 94722 129259 205231 258518 387777 410462 615693 775554 963007 1231386 1926014 2573281 2889021 5146562 5778042 7719843 12519091 15439686 25038182 33452653 37557273 66905306 75114546 100357959 156970141 200715918 313940282 470910423 941820846 2040611833 4081223666 6121835499 12243670998