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20212231023211 = 291511461266369
BaseRepresentation
bin1001001100010000001101…
…10110011010101001101011
32122120021022010120112202211
410212020012312122221223
510122124122120220321
6110553212025305551
74154166632656453
oct446100666325153
978507263515684
1020212231023211
116492a60531a87
1223253233352b7
13b3800b594646
144dc3c48d6d63
15250b76eb20e1
hex126206d9aa6b

20212231023211 has 8 divisors (see below), whose sum is σ = 20923042543200. Its totient is φ = 19502342039040.

The previous prime is 20212231023203. The next prime is 20212231023239. The reversal of 20212231023211 is 11232013221202.

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 20212231023211 - 23 = 20212231023203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212231023251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230589366 + ... + 230677003.

It is an arithmetic number, because the mean of its divisors is an integer number (2615380317900).

Almost surely, 220212231023211 is an apocalyptic number.

20212231023211 is a deficient number, since it is larger than the sum of its proper divisors (710811519989).

20212231023211 is a wasteful number, since it uses less digits than its factorization.

20212231023211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461267909.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20212231023211 its reverse (11232013221202), we get a palindrome (31444244244413).

The spelling of 20212231023211 in words is "twenty trillion, two hundred twelve billion, two hundred thirty-one million, twenty-three thousand, two hundred eleven".

Divisors: 1 29 1511 43819 461266369 13376724701 696973483559 20212231023211