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10013022230221 = 29153343464557
BaseRepresentation
bin1001000110110101011010…
…1000100001011011001101
31022110020100201212002102101
42101231112220201123031
52303023132142331341
633143530252355101
72052263011440133
oct221552650413315
938406321762371
1010013022230221
11321055401235a
121158710a75a91
135782bb0117aa
142688c0803753
151256dd2d6831
hex91b56a216cd

10013022230221 has 4 divisors (see below), whose sum is σ = 10013365723932. Its totient is φ = 10012678736512.

The previous prime is 10013022230213. The next prime is 10013022230279. The reversal of 10013022230221 is 12203222031001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1302762000996 + 8710260229225 = 1141386^2 + 2951315^2 .

It is a cyclic number.

It is not a de Polignac number, because 10013022230221 - 23 = 10013022230213 is a prime.

It is a super-2 number, since 2×100130222302212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013022230921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171703126 + ... + 171761431.

It is an arithmetic number, because the mean of its divisors is an integer number (2503341430983).

Almost surely, 210013022230221 is an apocalyptic number.

It is an amenable number.

10013022230221 is a deficient number, since it is larger than the sum of its proper divisors (343493711).

10013022230221 is an equidigital number, since it uses as much as digits as its factorization.

10013022230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343493710.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10013022230221 its reverse (12203222031001), we get a palindrome (22216244261222).

The spelling of 10013022230221 in words is "ten trillion, thirteen billion, twenty-two million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 29153 343464557 10013022230221