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2030122130221 = 8092509421669
BaseRepresentation
bin11101100010101100101…
…101010101101100101101
321012002002200221121111201
4131202230231111230231
5231230142231131341
64152343014445501
7266446214246503
oct35425455255455
97162080847451
102030122130221
11712a74021089
1228954b963891
1311959401ab73
147038920a673
1537c1c6cd331
hex1d8acb55b2d

2030122130221 has 4 divisors (see below), whose sum is σ = 2032631552700. Its totient is φ = 2027612707744.

The previous prime is 2030122130213. The next prime is 2030122130237. The reversal of 2030122130221 is 1220312210302.

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 725818802500 + 1304303327721 = 851950^2 + 1142061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030122130221 - 23 = 2030122130213 is a prime.

It is a super-2 number, since 2×20301221302212 (a number of 25 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 (2030122130291) 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 3 ways as a sum of consecutive naturals, for example, 1254710026 + ... + 1254711643.

It is an arithmetic number, because the mean of its divisors is an integer number (508157888175).

Almost surely, 22030122130221 is an apocalyptic number.

It is an amenable number.

2030122130221 is a deficient number, since it is larger than the sum of its proper divisors (2509422479).

2030122130221 is an equidigital number, since it uses as much as digits as its factorization.

2030122130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509422478.

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

Adding to 2030122130221 its reverse (1220312210302), we get a palindrome (3250434340523).

The spelling of 2030122130221 in words is "two trillion, thirty billion, one hundred twenty-two million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 809 2509421669 2030122130221