Search a number
-
+
12405234250 = 253672832617
BaseRepresentation
bin10111000110110100…
…01101101001001010
31012000112122012020101
423203122031221022
5200401214444000
65410543120014
7616261515463
oct134332155112
935015565211
1012405234250
115296482112
1224a25a300a
1312290b96c6
14859785d6a
154c9119e6a
hex2e368da4a

12405234250 has 64 divisors (see below), whose sum is σ = 23661525888. Its totient is φ = 4868899200.

The previous prime is 12405234211. The next prime is 12405234263. The reversal of 12405234250 is 5243250421.

12405234250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 4738942 + ... + 4741558.

It is an arithmetic number, because the mean of its divisors is an integer number (369711342).

Almost surely, 212405234250 is an apocalyptic number.

12405234250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12405234250 is a deficient number, since it is larger than the sum of its proper divisors (11256291638).

12405234250 is a wasteful number, since it uses less digits than its factorization.

12405234250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12405234250 its reverse (5243250421), we get a palindrome (17648484671).

The spelling of 12405234250 in words is "twelve billion, four hundred five million, two hundred thirty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 67 125 134 250 283 335 566 670 1415 1675 2617 2830 3350 5234 7075 8375 13085 14150 16750 18961 26170 35375 37922 65425 70750 94805 130850 175339 189610 327125 350678 474025 654250 740611 876695 948050 1481222 1753390 2370125 3703055 4383475 4740250 7406110 8766950 18515275 21917375 37030550 43834750 49620937 92576375 99241874 185152750 248104685 496209370 1240523425 2481046850 6202617125 12405234250