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231112232000 = 2653132199859
BaseRepresentation
bin1101011100111101011…
…1001100110001000000
3211002112121102211100022
43113033113030301000
512241304212411000
6254101013113012
722461114362516
oct3271727146100
9732477384308
10231112232000
118a017914631
123895b028768
1318a41c58700
14b2861304b6
156029a4d585
hex35cf5ccc40

231112232000 has 336 divisors, whose sum is σ = 623602512000. Its totient is φ = 84806092800.

The previous prime is 231112231949. The next prime is 231112232011. The reversal of 231112232000 is 232211132.

231112232000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231112232000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269047571 + ... + 269048429.

Almost surely, 2231112232000 is an apocalyptic number.

231112232000 is a gapful number since it is divisible by the number (20) 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 231112232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311801256000).

231112232000 is an abundant number, since it is smaller than the sum of its proper divisors (392490280000).

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

231112232000 is a wasteful number, since it uses less digits than its factorization.

231112232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 231112232000 its reverse (232211132), we get a palindrome (231344443132).

The spelling of 231112232000 in words is "two hundred thirty-one billion, one hundred twelve million, two hundred thirty-two thousand".