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20223431301321 = 333449217169027
BaseRepresentation
bin1001001100100101000100…
…11100000101100011001001
32122121100012200212121221000
410212102202130011203021
510122320041403120241
6111002303250205213
74155044323525503
oct446224234054311
978540180777830
1020223431301321
116497788822776
12232752a283809
13b390a4b42a41
144dcb6821cd73
152510d0412eb6
hex1264a27058c9

20223431301321 has 16 divisors (see below), whose sum is σ = 29969325864000. Its totient is φ = 13478378429664.

The previous prime is 20223431301277. The next prime is 20223431301347. The reversal of 20223431301321 is 12310313432202.

20223431301321 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 3 + 4 + 31 + 301 + 321 = 666.

It is not a de Polignac number, because 20223431301321 - 211 = 20223431299273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20223431306321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108491391 + ... + 108677636.

It is an arithmetic number, because the mean of its divisors is an integer number (1873082866500).

Almost surely, 220223431301321 is an apocalyptic number.

It is an amenable number.

20223431301321 is a deficient number, since it is larger than the sum of its proper divisors (9745894562679).

20223431301321 is a wasteful number, since it uses less digits than its factorization.

20223431301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217172485 (or 217172479 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20223431301321 its reverse (12310313432202), we get a palindrome (32533744733523).

The spelling of 20223431301321 in words is "twenty trillion, two hundred twenty-three billion, four hundred thirty-one million, three hundred one thousand, three hundred twenty-one".

Divisors: 1 3 9 27 3449 10347 31041 93123 217169027 651507081 1954521243 5863563729 749015974123 2247047922369 6741143767107 20223431301321