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2221030332133 = 12771739256329
BaseRepresentation
bin100000010100011111101…
…110010101011011100101
321212022212102102002200121
4200110133232111123211
5242342132231112013
64420154404041541
7316315126220524
oct40243756253345
97768772362617
102221030332133
11786a2a7a1868
122ba54a6932b1
13131599858552
14796d9a1c4bb
153cb9289158d
hex2051fb956e5

2221030332133 has 4 divisors (see below), whose sum is σ = 2222769589740. Its totient is φ = 2219291074528.

The previous prime is 2221030332121. The next prime is 2221030332211. The reversal of 2221030332133 is 3312330301222.

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 1500326114884 + 720704217249 = 1224878^2 + 848943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221030332133 - 29 = 2221030331621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221030332098 and 2221030332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221030332113) 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, 869626888 + ... + 869629441.

It is an arithmetic number, because the mean of its divisors is an integer number (555692397435).

Almost surely, 22221030332133 is an apocalyptic number.

It is an amenable number.

2221030332133 is a deficient number, since it is larger than the sum of its proper divisors (1739257607).

2221030332133 is a wasteful number, since it uses less digits than its factorization.

2221030332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739257606.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2221030332133 its reverse (3312330301222), we get a palindrome (5533360633355).

The spelling of 2221030332133 in words is "two trillion, two hundred twenty-one billion, thirty million, three hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 1277 1739256329 2221030332133