Search a number
-
+
211002031011 = 3431635674659
BaseRepresentation
bin1100010010000010110…
…0110111101110100011
3202011122002112202202110
43010200230313232203
511424113004443021
6240533305450403
721146553446112
oct3044054675643
9664562482673
10211002031011
1181538166a12
1234a881a0a03
1316b887a80b5
14a2d935dc79
15574e2b5476
hex3120b37ba3

211002031011 has 8 divisors (see below), whose sum is σ = 287878740160. Its totient is φ = 137396671272.

The previous prime is 211002031001. The next prime is 211002031063. The reversal of 211002031011 is 110130200112.

211002031011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211002031011 - 215 = 211001998243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002031001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817837201 + ... + 817837458.

It is an arithmetic number, because the mean of its divisors is an integer number (35984842520).

Almost surely, 2211002031011 is an apocalyptic number.

211002031011 is a deficient number, since it is larger than the sum of its proper divisors (76876709149).

211002031011 is a wasteful number, since it uses less digits than its factorization.

211002031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635674705.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 211002031011 its reverse (110130200112), we get a palindrome (321132231123).

The spelling of 211002031011 in words is "two hundred eleven billion, two million, thirty-one thousand, eleven".

Divisors: 1 3 43 129 1635674659 4907023977 70334010337 211002031011