Search a number
-
+
200210212020221 = 1329480352240939
BaseRepresentation
bin101101100001011100010010…
…100100010101111111111101
3222020212220112220122010020222
4231201130102210111333331
5202220221003234121341
61545451145054351125
760112465460103314
oct5541342244257775
9866786486563228
10200210212020221
115887a746241487
121a5560b6abb4a5
1387939851a0a70
14376232409927b
151822dd8d0244b
hexb61712915ffd

200210212020221 has 8 divisors (see below), whose sum is σ = 215611733060640. Its totient is φ = 184808796051312.

The previous prime is 200210212020193. The next prime is 200210212020223. The reversal of 200210212020221 is 122020212012002.

It is a happy number.

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-200210212020221 is a prime.

It is a super-2 number, since 2×2002102120202212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200210212020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210212020223) 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, 22288031 + ... + 29952908.

It is an arithmetic number, because the mean of its divisors is an integer number (26951466632580).

Almost surely, 2200210212020221 is an apocalyptic number.

It is an amenable number.

200210212020221 is a deficient number, since it is larger than the sum of its proper divisors (15401521040419).

200210212020221 is a wasteful number, since it uses less digits than its factorization.

200210212020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52535755.

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

Adding to 200210212020221 its reverse (122020212012002), we get a palindrome (322230424032223).

The spelling of 200210212020221 in words is "two hundred trillion, two hundred ten billion, two hundred twelve million, twenty thousand, two hundred twenty-one".

Divisors: 1 13 294803 3832439 52240939 679132207 15400785540017 200210212020221