Search a number
-
+
212140304120443 = 277765849473359
BaseRepresentation
bin110000001111000011000011…
…011110000011101001111011
31000211010102012112122221221011
4300033003003132003221323
5210301201320323323233
62031103524343454351
762453426332560046
oct6017030336035173
91024112175587834
10212140304120443
116165a21a20a4a6
121b9622667573b7
13914a98b551b7a
143a55907397c5d
15197d3c97560cd
hexc0f0c3783a7b

212140304120443 has 4 divisors (see below), whose sum is σ = 212906153594080. Its totient is φ = 211374454646808.

The previous prime is 212140304120411. The next prime is 212140304120449. The reversal of 212140304120443 is 344021403041212.

It is a happy number.

212140304120443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212140304120443 - 25 = 212140304120411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212140304120449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382924736403 + ... + 382924736956.

It is an arithmetic number, because the mean of its divisors is an integer number (53226538398520).

Almost surely, 2212140304120443 is an apocalyptic number.

212140304120443 is a deficient number, since it is larger than the sum of its proper divisors (765849473637).

212140304120443 is an equidigital number, since it uses as much as digits as its factorization.

212140304120443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765849473636.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 212140304120443 its reverse (344021403041212), we get a palindrome (556161707161655).

The spelling of 212140304120443 in words is "two hundred twelve trillion, one hundred forty billion, three hundred four million, one hundred twenty thousand, four hundred forty-three".

Divisors: 1 277 765849473359 212140304120443