Search a number
-
+
211010022205 = 5229184288229
BaseRepresentation
bin1100010010000100101…
…1010110101100111101
3202011122122120202121121
43010201023112230331
511424122031202310
6240534153030541
721150011411053
oct3044113265475
9664578522547
10211010022205
1181541724904
1234a8a9b5451
1316b8a345508
14a2da4401d3
15574ed430da
hex31212d6b3d

211010022205 has 8 divisors (see below), whose sum is σ = 254317757400. Its totient is φ = 168070863936.

The previous prime is 211010022173. The next prime is 211010022221. The reversal of 211010022205 is 502220010112.

It is a happy number.

211010022205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9411716196 + 201598306009 = 97014^2 + 448997^2 .

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 211010022205 - 25 = 211010022173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92142970 + ... + 92145259.

It is an arithmetic number, because the mean of its divisors is an integer number (31789719675).

Almost surely, 2211010022205 is an apocalyptic number.

It is an amenable number.

211010022205 is a deficient number, since it is larger than the sum of its proper divisors (43307735195).

211010022205 is a wasteful number, since it uses less digits than its factorization.

211010022205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184288463.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 211010022205 its reverse (502220010112), we get a palindrome (713230032317).

The spelling of 211010022205 in words is "two hundred eleven billion, ten million, twenty-two thousand, two hundred five".

Divisors: 1 5 229 1145 184288229 921441145 42202004441 211010022205