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204201211013 = 377577290557
BaseRepresentation
bin1011111000101101010…
…1110011010010000101
3201112002010121022120022
42332023111303102011
511321201002223023
6233450404344525
720516203440422
oct2761325632205
9645063538508
10204201211013
1179668295218
12336aa6a5145
1316343830157
149c52050d49
1554a21e27c8
hex2f8b573485

204201211013 has 8 divisors (see below), whose sum is σ = 209997232632. Its totient is φ = 198419772096.

The previous prime is 204201211007. The next prime is 204201211129. The reversal of 204201211013 is 310112102402.

It can be written as a sum of positive squares in 4 ways, for example, as 59400413284 + 144800797729 = 243722^2 + 380527^2 .

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-204201211013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204201210982 and 204201211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204201211003) 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, 3617270 + ... + 3673287.

It is an arithmetic number, because the mean of its divisors is an integer number (26249654079).

Almost surely, 2204201211013 is an apocalyptic number.

It is an amenable number.

204201211013 is a deficient number, since it is larger than the sum of its proper divisors (5796021619).

204201211013 is an equidigital number, since it uses as much as digits as its factorization.

204201211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291351.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 204201211013 its reverse (310112102402), we get a palindrome (514313313415).

The spelling of 204201211013 in words is "two hundred four billion, two hundred one million, two hundred eleven thousand, thirteen".

Divisors: 1 37 757 28009 7290557 269750609 5518951649 204201211013