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12323200550 = 2521729499927
BaseRepresentation
bin10110111101000010…
…10001111000100110
31011210211021110011012
423132201101320212
5200214214404200
65354452542222
7614244322253
oct133641217046
934724243135
1012323200550
115254141a71
12247b021972
1312150c675b
1484c91042a
154c1d13a35
hex2de851e26

12323200550 has 48 divisors (see below), whose sum is σ = 25106384160. Its totient is φ = 4479336960.

The previous prime is 12323200489. The next prime is 12323200573. The reversal of 12323200550 is 5500232321.

12323200550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123232005502 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 225314 + ... + 274613.

It is an arithmetic number, because the mean of its divisors is an integer number (523049670).

Almost surely, 212323200550 is an apocalyptic number.

12323200550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323200550 is an abundant number, since it is smaller than the sum of its proper divisors (12783183610).

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

12323200550 is a wasteful number, since it uses less digits than its factorization.

12323200550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499985 (or 499980 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 12323200550 its reverse (5500232321), we get a palindrome (17823432871).

The spelling of 12323200550 in words is "twelve billion, three hundred twenty-three million, two hundred thousand, five hundred fifty".

Divisors: 1 2 5 10 17 25 29 34 50 58 85 145 170 290 425 493 725 850 986 1450 2465 4930 12325 24650 499927 999854 2499635 4999270 8498759 12498175 14497883 16997518 24996350 28995766 42493795 72489415 84987590 144978830 212468975 246464011 362447075 424937950 492928022 724894150 1232320055 2464640110 6161600275 12323200550