Search a number
-
+
211202213003812 = 221971213220958873
BaseRepresentation
bin110000000001011001011000…
…111000011100001000100100
31000200210201211100201122220101
4300001121120320130020210
5210140314113012110222
62025104542431313444
762325566503624252
oct6001313070341044
91020721740648811
10211202213003812
11613283a0234a28
121b8304a197b884
1390b038b3375c4
143a223551415d2
151963cc3107927
hexc01658e1c224

211202213003812 has 24 divisors (see below), whose sum is σ = 371786285227896. Its totient is φ = 104978443922688.

The previous prime is 211202213003809. The next prime is 211202213003813. The reversal of 211202213003812 is 218300312202112.

It can be written as a sum of positive squares in 4 ways, for example, as 823839414336 + 210378373589476 = 907656^2 + 14504426^2 .

It is not an unprimeable number, because it can be changed into a prime (211202213003813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109523593 + ... + 111435280.

It is an arithmetic number, because the mean of its divisors is an integer number (15491095217829).

Almost surely, 2211202213003812 is an apocalyptic number.

It is an amenable number.

211202213003812 is a deficient number, since it is larger than the sum of its proper divisors (160584072224084).

211202213003812 is a wasteful number, since it uses less digits than its factorization.

211202213003812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220960287 (or 220960285 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 211202213003812 its reverse (218300312202112), we get a palindrome (429502525205924).

The spelling of 211202213003812 in words is "two hundred eleven trillion, two hundred two billion, two hundred thirteen million, three thousand, eight hundred twelve".

Divisors: 1 2 4 197 394 788 1213 2426 4852 238961 477922 955844 220958873 441917746 883835492 43528897981 87057795962 174115591924 268023112949 536046225898 1072092451796 52800553250953 105601106501906 211202213003812