Search a number
-
+
2010202220221 = 13334429462373
BaseRepresentation
bin11101010000001001011…
…000111010011010111101
321010011200110010100002021
4131100021120322122331
5230413343232021341
64135250230000141
7265142453642236
oct35201130723275
97104613110067
102010202220221
11705581824948
122857107a6051
1311773b105580
146d41981208d
15374539d29d1
hex1d40963a6bd

2010202220221 has 8 divisors (see below), whose sum is σ = 2164844315480. Its totient is φ = 1855561718592.

The previous prime is 2010202220203. The next prime is 2010202220237. The reversal of 2010202220221 is 1220222020102.

It can be written as a sum of positive squares in 4 ways, for example, as 472813012996 + 1537389207225 = 687614^2 + 1239915^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2010202220221 - 221 = 2010200123069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010202220195 and 2010202220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010202220261) 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, 4116391 + ... + 4578763.

It is an arithmetic number, because the mean of its divisors is an integer number (270605539435).

Almost surely, 22010202220221 is an apocalyptic number.

It is an amenable number.

2010202220221 is a deficient number, since it is larger than the sum of its proper divisors (154642095259).

2010202220221 is a wasteful number, since it uses less digits than its factorization.

2010202220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796815.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2010202220221 its reverse (1220222020102), we get a palindrome (3230424240323).

The spelling of 2010202220221 in words is "two trillion, ten billion, two hundred two million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 13 334429 462373 4347577 6010849 154630940017 2010202220221