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12343025500 = 2253131939839
BaseRepresentation
bin10110111111011001…
…11001111101011100
31011212012120122212121
423133230321331130
5200234303304000
65400441512324
7614604662041
oct133754717534
934765518777
1012343025500
115264352823
1224857a26a4
1312192482b0
148513d11c8
154c392cb1a
hex2dfb39f5c

12343025500 has 96 divisors (see below), whose sum is σ = 29184180480. Its totient is φ = 4533350400.

The previous prime is 12343025483. The next prime is 12343025507. The reversal of 12343025500 is 552034321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343025507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1249581 + ... + 1259419.

It is an arithmetic number, because the mean of its divisors is an integer number (304001880).

Almost surely, 212343025500 is an apocalyptic number.

12343025500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12343025500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14592090240).

12343025500 is an abundant number, since it is smaller than the sum of its proper divisors (16841154980).

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

12343025500 is a wasteful number, since it uses less digits than its factorization.

12343025500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064 (or 10052 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 12343025500 its reverse (552034321), we get a palindrome (12895059821).

The spelling of 12343025500 in words is "twelve billion, three hundred forty-three million, twenty-five thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 193 250 260 325 386 500 650 772 965 1300 1625 1930 2509 3250 3860 4825 5018 6500 9650 9839 10036 12545 19300 19678 24125 25090 39356 48250 49195 50180 62725 96500 98390 125450 127907 196780 245975 250900 255814 313625 491950 511628 627250 639535 983900 1229875 1254500 1279070 1898927 2459750 2558140 3197675 3797854 4919500 6395350 7595708 9494635 12790700 15988375 18989270 24686051 31976750 37978540 47473175 49372102 63953500 94946350 98744204 123430255 189892700 237365875 246860510 474731750 493721020 617151275 949463500 1234302550 2468605100 3085756375 6171512750 12343025500