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201103021122013 = 735389751112973
BaseRepresentation
bin101101101110011011110010…
…001000110010000111011101
3222101001021001022110201121001
4231232123302020302013131
5202324332441401401023
61551413241424110301
760234133223206123
oct5556336210620735
9871037038421531
10201103021122013
1159094348750a9a
121a67b142a65391
138829c19c356ca
14379361c431913
15183b23eda76ad
hexb6e6f22321dd

201103021122013 has 8 divisors (see below), whose sum is σ = 203861643376248. Its totient is φ = 198344501201664.

The previous prime is 201103021121987. The next prime is 201103021122083. The reversal of 201103021122013 is 310221120301102.

It can be written as a sum of positive squares in 4 ways, for example, as 7496194974724 + 193606826147289 = 2737918^2 + 13914267^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201103021122013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201103021122083) 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, 21622006 + ... + 29490967.

It is an arithmetic number, because the mean of its divisors is an integer number (25482705422031).

Almost surely, 2201103021122013 is an apocalyptic number.

It is an amenable number.

201103021122013 is a deficient number, since it is larger than the sum of its proper divisors (2758622254235).

201103021122013 is an equidigital number, since it uses as much as digits as its factorization.

201103021122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51166943.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201103021122013 its reverse (310221120301102), we get a palindrome (511324141423115).

The spelling of 201103021122013 in words is "two hundred one trillion, one hundred three billion, twenty-one million, one hundred twenty-two thousand, thirteen".

Divisors: 1 73 53897 3934481 51112973 3731247029 2754835905781 201103021122013