Search a number
-
+
211202143220443 = 3471926013160169
BaseRepresentation
bin110000000001011001010100…
…101110001111001011011011
31000200210201122111102022010011
4300001121110232033023123
5210140313442131023233
62025104531455502351
762325564665522224
oct6001312456171333
91020721574368104
10211202143220443
1161328364901721
121b8304825279b7
1390b0379a4357b
143a22349b7824b
151963cbbe210cd
hexc01654b8f2db

211202143220443 has 8 divisors (see below), whose sum is σ = 211811961694320. Its totient is φ = 210592331452800.

The previous prime is 211202143220429. The next prime is 211202143220449. The reversal of 211202143220443 is 344022341202112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211202143220443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211202143220449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65252463 + ... + 68412631.

It is an arithmetic number, because the mean of its divisors is an integer number (26476495211790).

Almost surely, 2211202143220443 is an apocalyptic number.

211202143220443 is a deficient number, since it is larger than the sum of its proper divisors (609818473877).

211202143220443 is a wasteful number, since it uses less digits than its factorization.

211202143220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353117.

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

Adding to 211202143220443 its reverse (344022341202112), we get a palindrome (555224484422555).

The spelling of 211202143220443 in words is "two hundred eleven trillion, two hundred two billion, one hundred forty-three million, two hundred twenty thousand, four hundred forty-three".

Divisors: 1 347 192601 3160169 66832547 1096578643 608651709569 211202143220443