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212202102041 = 257825689113
BaseRepresentation
bin1100010110100000111…
…0110001110100011001
3202021201201200200201122
43011220032301310121
511434042214231131
6241252335255025
721221365051346
oct3055016616431
9667651620648
10212202102041
1181aa3611056
123516207a475
131701a2c59b7
14a3b08ab7cd
1557be816d7b
hex31683b1d19

212202102041 has 4 divisors (see below), whose sum is σ = 213027791412. Its totient is φ = 211376412672.

The previous prime is 212202102017. The next prime is 212202102043. The reversal of 212202102041 is 140201202212.

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 199161375625 + 13040726416 = 446275^2 + 114196^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202102041 - 210 = 212202101017 is a prime.

It is a super-2 number, since 2×2122021020412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202102043) 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, 412844300 + ... + 412844813.

It is an arithmetic number, because the mean of its divisors is an integer number (53256947853).

Almost surely, 2212202102041 is an apocalyptic number.

It is an amenable number.

212202102041 is a deficient number, since it is larger than the sum of its proper divisors (825689371).

212202102041 is an equidigital number, since it uses as much as digits as its factorization.

212202102041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825689370.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212202102041 its reverse (140201202212), we get a palindrome (352403304253).

The spelling of 212202102041 in words is "two hundred twelve billion, two hundred two million, one hundred two thousand, forty-one".

Divisors: 1 257 825689113 212202102041