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221030202133 = 1321180579731
BaseRepresentation
bin1100110111011001101…
…1010011101100010101
3210010111222022122101201
43031312123103230111
512110132212432013
6245312340152501
721653222501446
oct3156633235425
9703458278351
10221030202133
1185813872344
1236a06698731
1317ac6279c70
14a9ab1372cd
155b3988a3dd
hex33766d3b15

221030202133 has 8 divisors (see below), whose sum is σ = 239160644576. Its totient is φ = 203060919600.

The previous prime is 221030202131. The next prime is 221030202187. The reversal of 221030202133 is 331202030122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221030202133 - 21 = 221030202131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221030202133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221030202131) 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, 40287123 + ... + 40292608.

It is an arithmetic number, because the mean of its divisors is an integer number (29895080572).

Almost surely, 2221030202133 is an apocalyptic number.

It is an amenable number.

221030202133 is a deficient number, since it is larger than the sum of its proper divisors (18130442443).

221030202133 is a wasteful number, since it uses less digits than its factorization.

221030202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80579955.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221030202133 its reverse (331202030122), we get a palindrome (552232232255).

The spelling of 221030202133 in words is "two hundred twenty-one billion, thirty million, two hundred two thousand, one hundred thirty-three".

Divisors: 1 13 211 2743 80579731 1047536503 17002323241 221030202133