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203201232112142 = 21116662615543201
BaseRepresentation
bin101110001100111101111001…
…010000100000101000001110
3222122110211220020121210121222
4232030331321100200220032
5203113222110410042032
62000101205103323342
760541542650310365
oct5614757120405016
9878424806553558
10203201232112142
115982318209a320
121a9599155b0552
13894ca42466894
143826dc64ca7dc
151875ae4ed7a12
hexb8cf79420a0e

203201232112142 has 16 divisors (see below), whose sum is σ = 332511366633264. Its totient is φ = 92364124320000.

The previous prime is 203201232112141. The next prime is 203201232112157. The reversal of 203201232112142 is 241211232102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203201232112141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33886142 + ... + 39429342.

It is an arithmetic number, because the mean of its divisors is an integer number (20781960414579).

Almost surely, 2203201232112142 is an apocalyptic number.

203201232112142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203201232112142 is a deficient number, since it is larger than the sum of its proper divisors (129310134521122).

203201232112142 is a wasteful number, since it uses less digits than its factorization.

203201232112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209475.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 203201232112142 its reverse (241211232102302), we get a palindrome (444412464214444).

The spelling of 203201232112142 in words is "two hundred three trillion, two hundred one billion, two hundred thirty-two million, one hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 11 22 1666261 3332522 5543201 11086402 18328871 36657742 60975211 121950422 9236419641461 18472839282922 101600616056071 203201232112142