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220030013231323 = 1392115805618363
BaseRepresentation
bin110010000001110110111010…
…110001110101000011011011
31001212001122220221021200120021
4302001312322301311003123
5212314432431341400243
62055544220451211311
764226433562523521
oct6201667261650333
91055048827250507
10220030013231323
1164121228331299
122081735a2a6b37
1395a09835bb299
143c4971bd72311
151a68743cb46ed
hexc81dbac750db

220030013231323 has 4 divisors (see below), whose sum is σ = 220045818863608. Its totient is φ = 220014207599040.

The previous prime is 220030013231299. The next prime is 220030013231339. The reversal of 220030013231323 is 323132310030022.

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-220030013231323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220030013231023) 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, 7902795261 + ... + 7902823102.

It is an arithmetic number, because the mean of its divisors is an integer number (55011454715902).

Almost surely, 2220030013231323 is an apocalyptic number.

220030013231323 is a deficient number, since it is larger than the sum of its proper divisors (15805632285).

220030013231323 is a wasteful number, since it uses less digits than its factorization.

220030013231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805632284.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 220030013231323 its reverse (323132310030022), we get a palindrome (543162323261345).

The spelling of 220030013231323 in words is "two hundred twenty trillion, thirty billion, thirteen million, two hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 13921 15805618363 220030013231323