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233201223140 = 22511660061157
BaseRepresentation
bin1101100100101111100…
…0000100010111100100
3211021221012020120110112
43121023320010113210
512310044003120030
6255044155312152
722563641455634
oct3311370042744
9737835216415
10233201223140
118a99a013596
123924274b658
1318cb5990742
14b4037526c4
1560ed13da95
hex364be045e4

233201223140 has 12 divisors (see below), whose sum is σ = 489722568636. Its totient is φ = 93280489248.

The previous prime is 233201223139. The next prime is 233201223161. The reversal of 233201223140 is 41322102332.

It can be written as a sum of positive squares in 2 ways, for example, as 145154904064 + 88046319076 = 380992^2 + 296726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830030559 + ... + 5830030598.

It is an arithmetic number, because the mean of its divisors is an integer number (40810214053).

Almost surely, 2233201223140 is an apocalyptic number.

233201223140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233201223140 is an abundant number, since it is smaller than the sum of its proper divisors (256521345496).

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

233201223140 is a wasteful number, since it uses less digits than its factorization.

233201223140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660061166 (or 11660061164 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 233201223140 its reverse (41322102332), we get a palindrome (274523325472).

The spelling of 233201223140 in words is "two hundred thirty-three billion, two hundred one million, two hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11660061157 23320122314 46640244628 58300305785 116600611570 233201223140