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10021220223 = 372292083847
BaseRepresentation
bin10010101010100111…
…11010111101111111
3221212101200201210120
421111103322331333
5131010413021343
64334221310023
7503222652330
oct112523727577
927771621716
1010021220223
114282799093
121b38105313
13c3920a111
146b0cc8287
153d9ba0683
hex2554faf7f

10021220223 has 16 divisors (see below), whose sum is σ = 15337121280. Its totient is φ = 5701402656.

The previous prime is 10021220207. The next prime is 10021220227. The reversal of 10021220223 is 32202212001.

It is a happy number.

It is not a de Polignac number, because 10021220223 - 24 = 10021220207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037115 + ... + 1046732.

It is an arithmetic number, because the mean of its divisors is an integer number (958570080).

Almost surely, 210021220223 is an apocalyptic number.

10021220223 is a deficient number, since it is larger than the sum of its proper divisors (5315901057).

10021220223 is a wasteful number, since it uses less digits than its factorization.

10021220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084086.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10021220223 its reverse (32202212001), we get a palindrome (42223432224).

The spelling of 10021220223 in words is "ten billion, twenty-one million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 3 7 21 229 687 1603 4809 2083847 6251541 14586929 43760787 477200963 1431602889 3340406741 10021220223