Search a number
-
+
6820902911 = 171462927427
BaseRepresentation
bin1100101101000111…
…01011011111111111
3122121100201202202202
412112203223133333
5102432122343121
63044455342115
7331012501214
oct62643533777
918540652682
106820902911
112990249349
1213a438193b
1384918a034
14489c59b0b
1529dc3d40b
hex1968eb7ff

6820902911 has 8 divisors (see below), whose sum is σ = 7222889520. Its totient is φ = 6419000448.

The previous prime is 6820902883. The next prime is 6820902917. The reversal of 6820902911 is 1192090286.

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

It is a cyclic number.

It is not a de Polignac number, because 6820902911 - 210 = 6820901887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820902917) 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, 234980 + ... + 262406.

It is an arithmetic number, because the mean of its divisors is an integer number (902861190).

Almost surely, 26820902911 is an apocalyptic number.

6820902911 is a deficient number, since it is larger than the sum of its proper divisors (401986609).

6820902911 is a wasteful number, since it uses less digits than its factorization.

6820902911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42073.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 6820902911 is about 82588.7577761041. The cubic root of 6820902911 is about 1896.4757301986.

The spelling of 6820902911 in words is "six billion, eight hundred twenty million, nine hundred two thousand, nine hundred eleven".

Divisors: 1 17 14629 27427 248693 466259 401229583 6820902911