Search a number
-
+
30202313211011 = 106177928445009
BaseRepresentation
bin1101101111000000001100…
…01001100111110010000011
310221221022110010200201221102
412313200012021213302003
512424313314140223021
6144122430125245015
76235021322326514
oct667400611476203
9127838403621842
1030202313211011
119694802486997
1234794b170376b
1313b10b1a7a826
14765b2a778a0b
1537597137e00b
hex1b7806267c83

30202313211011 has 4 divisors (see below), whose sum is σ = 30202342717800. Its totient is φ = 30202283704224.

The previous prime is 30202313211001. The next prime is 30202313211053. The reversal of 30202313211011 is 11011231320203.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30202313211011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30202313211001) 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, 13160726 + ... + 15284283.

It is an arithmetic number, because the mean of its divisors is an integer number (7550585679450).

Almost surely, 230202313211011 is an apocalyptic number.

30202313211011 is a deficient number, since it is larger than the sum of its proper divisors (29506789).

30202313211011 is a wasteful number, since it uses less digits than its factorization.

30202313211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29506788.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30202313211011 its reverse (11011231320203), we get a palindrome (41213544531214).

The spelling of 30202313211011 in words is "thirty trillion, two hundred two billion, three hundred thirteen million, two hundred eleven thousand, eleven".

Divisors: 1 1061779 28445009 30202313211011