Search a number
-
+
202001202212 = 22272918505057
BaseRepresentation
bin1011110000100000110…
…1011011110000100100
3201022101210220021211212
42330020031123300210
511302144301432322
6232444214450552
720410530613535
oct2741015336044
9638353807755
10202001202212
117873945a027
1233195963a58
1316082ac77b4
149ac3bb068c
1553c3ec30e2
hex2f0835bc24

202001202212 has 12 divisors (see below), whose sum is σ = 353631658380. Its totient is φ = 100963585536.

The previous prime is 202001202191. The next prime is 202001202217. The reversal of 202001202212 is 212202100202.

It can be written as a sum of positive squares in 2 ways, for example, as 84533236516 + 117467965696 = 290746^2 + 342736^2 .

It is not an unprimeable number, because it can be changed into a prime (202001202217) 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 3 ways as a sum of consecutive naturals, for example, 9241613 + ... + 9263444.

It is an arithmetic number, because the mean of its divisors is an integer number (29469304865).

Almost surely, 2202001202212 is an apocalyptic number.

It is an amenable number.

202001202212 is a deficient number, since it is larger than the sum of its proper divisors (151630456168).

202001202212 is a wasteful number, since it uses less digits than its factorization.

202001202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18507790 (or 18507788 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202001202212 its reverse (212202100202), we get a palindrome (414203302414).

The spelling of 202001202212 in words is "two hundred two billion, one million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 2729 5458 10916 18505057 37010114 74020228 50500300553 101000601106 202001202212