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330040111210021 = 2744761120243661
BaseRepresentation
bin100101100001010110111001…
…1100101110001111000100101
31121021120112012210221221022101
41023002231303211301320211
5321224334121432210041
63125534200045532101
7126342416424631462
oct11302556345617045
91537515183857271
10330040111210021
1196185252717323
1231023b99574031
1311220858963664
145b7005305c669
152825179c8ab31
hex12c2b73971e25

330040111210021 has 4 divisors (see below), whose sum is σ = 330040234198444. Its totient is φ = 330039988221600.

The previous prime is 330040111209983. The next prime is 330040111210063. The reversal of 330040111210021 is 120012111040033.

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

It can be written as a sum of positive squares in 2 ways, for example, as 316562879021796 + 13477232188225 = 17792214^2 + 3671135^2 .

It is a cyclic number.

It is not a de Polignac number, because 330040111210021 - 235 = 330005751471653 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 (330040111210321) 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, 57377070 + ... + 62866591.

It is an arithmetic number, because the mean of its divisors is an integer number (82510058549611).

Almost surely, 2330040111210021 is an apocalyptic number.

It is an amenable number.

330040111210021 is a deficient number, since it is larger than the sum of its proper divisors (122988423).

330040111210021 is a wasteful number, since it uses less digits than its factorization.

330040111210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122988422.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 330040111210021 its reverse (120012111040033), we get a palindrome (450052222250054).

The spelling of 330040111210021 in words is "three hundred thirty trillion, forty billion, one hundred eleven million, two hundred ten thousand, twenty-one".

Divisors: 1 2744761 120243661 330040111210021