Search a number
-
+
12026785517238 = 238993724036361
BaseRepresentation
bin1010111100000011010001…
…0001110100111010110110
31120120202020100202100210110
42233000310101310322312
53034021324043022423
641325010132403450
72350622646111342
oct257006421647266
946522210670713
1012026785517238
113917592983408
121422a56176586
13693175b1507b
142d815714c622
1515cc9e73a193
hexaf034474eb6

12026785517238 has 32 divisors (see below), whose sum is σ = 24349796160480. Its totient is φ = 3959653800960.

The previous prime is 12026785517171. The next prime is 12026785517261. The reversal of 12026785517238 is 83271558762021.

12026785517238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11517823 + ... + 12518538.

It is an arithmetic number, because the mean of its divisors is an integer number (760931130015).

Almost surely, 212026785517238 is an apocalyptic number.

12026785517238 is an abundant number, since it is smaller than the sum of its proper divisors (12323010643242).

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

12026785517238 is a wasteful number, since it uses less digits than its factorization.

12026785517238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24037392.

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 12026785517238 in words is "twelve trillion, twenty-six billion, seven hundred eighty-five million, five hundred seventeen thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 89 178 267 534 937 1874 2811 5622 83393 166786 250179 500358 24036361 48072722 72109083 144218166 2139236129 4278472258 6417708387 12835416774 22522070257 45044140514 67566210771 135132421542 2004464252873 4008928505746 6013392758619 12026785517238