Search a number
-
+
201022202005 = 5192111369641
BaseRepresentation
bin1011101100110111011…
…0110110000010010101
3201012212120201221000221
42323031312312002111
511243143140431010
6232203123234341
720344342344532
oct2731566660225
9635776657027
10201022202005
1178286879749
1232b61b189b1
1315c58030b31
149a2db6bd89
15536808ddda
hex2ecddb6095

201022202005 has 12 divisors (see below), whose sum is σ = 254591001612. Its totient is φ = 152353667520.

The previous prime is 201022201979. The next prime is 201022202057. The reversal of 201022202005 is 500202220102.

It can be written as a sum of positive squares in 2 ways, for example, as 22770206404 + 178251995601 = 150898^2 + 422199^2 .

It is not a de Polignac number, because 201022202005 - 229 = 200485331093 is a prime.

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 201022202005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55683016 + ... + 55686625.

It is an arithmetic number, because the mean of its divisors is an integer number (21215916801).

Almost surely, 2201022202005 is an apocalyptic number.

It is an amenable number.

201022202005 is a deficient number, since it is larger than the sum of its proper divisors (53568799607).

201022202005 is a wasteful number, since it uses less digits than its factorization.

201022202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111369684 (or 111369665 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 201022202005 its reverse (500202220102), we get a palindrome (701224422107).

The spelling of 201022202005 in words is "two hundred one billion, twenty-two million, two hundred two thousand, five".

Divisors: 1 5 19 95 361 1805 111369641 556848205 2116023179 10580115895 40204440401 201022202005