Search a number
-
+
12706012230 = 235806952489
BaseRepresentation
bin10111101010101011…
…00101110001000110
31012210111121022001120
423311111211301012
5202010214342410
65500445534410
7626603215302
oct136525456106
935714538046
1012706012230
11543023805a
122567274406
1312764ca642
148876bcd02
154e572e570
hex2f5565c46

12706012230 has 32 divisors (see below), whose sum is σ = 30498789600. Its totient is φ = 3387785472.

The previous prime is 12706012229. The next prime is 12706012283. The reversal of 12706012230 is 3221060721.

It is a super-2 number, since 2×127060122302 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12706012230.

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, 215826 + ... + 268314.

It is an arithmetic number, because the mean of its divisors is an integer number (953087175).

Almost surely, 212706012230 is an apocalyptic number.

12706012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12706012230 is an abundant number, since it is smaller than the sum of its proper divisors (17792777370).

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

12706012230 is a wasteful number, since it uses less digits than its factorization.

12706012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60568.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 12706012230 its reverse (3221060721), we get a palindrome (15927072951).

The spelling of 12706012230 in words is "twelve billion, seven hundred six million, twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8069 16138 24207 40345 48414 52489 80690 104978 121035 157467 242070 262445 314934 524890 787335 1574670 423533741 847067482 1270601223 2117668705 2541202446 4235337410 6353006115 12706012230