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221120233103 = 7112261062849
BaseRepresentation
bin1100110111101111001…
…0101111111010001111
3210010202020201200200002
43031323302233322033
512110323234424403
6245325313554515
721655364653430
oct3157362577217
9703666650602
10221120233103
118585a674a00
1236a30875a3b
1317b0bb10023
14a9b9091487
155b42721188
hex337bcafe8f

221120233103 has 12 divisors (see below), whose sum is σ = 277770872400. Its totient is φ = 172301479680.

The previous prime is 221120233091. The next prime is 221120233109. The reversal of 221120233103 is 301332021122.

It is not a de Polignac number, because 221120233103 - 234 = 203940363919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120233109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130530578 + ... + 130532271.

It is an arithmetic number, because the mean of its divisors is an integer number (23147572700).

Almost surely, 2221120233103 is an apocalyptic number.

221120233103 is a deficient number, since it is larger than the sum of its proper divisors (56650639297).

221120233103 is a wasteful number, since it uses less digits than its factorization.

221120233103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261062878 (or 261062867 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221120233103 its reverse (301332021122), we get a palindrome (522452254225).

The spelling of 221120233103 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred thirty-three thousand, one hundred three".

Divisors: 1 7 11 77 121 847 261062849 1827439943 2871691339 20101839373 31588604729 221120233103