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20075081085443 = 971915771877917
BaseRepresentation
bin1001001000010000110000…
…00100111011001000000011
32122002011021220202211102002
410210020120010323020003
510112402231224213233
6110410210454214215
74141243136512466
oct444103004731003
978064256684362
1020075081085443
11643a880a0987a
12230282805436b
13b280c230a407
144d58d3a012dd
1524c2eb5b86e8
hex12421813b203

20075081085443 has 16 divisors (see below), whose sum is σ = 20423575140864. Its totient is φ = 19729836195840.

The previous prime is 20075081085439. The next prime is 20075081085467. The reversal of 20075081085443 is 34458018057002.

It is a cyclic number.

It is not a de Polignac number, because 20075081085443 - 22 = 20075081085439 is a prime.

It is a super-2 number, since 2×200750810854432 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20075081085413) 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, 9751121 + ... + 11629037.

It is an arithmetic number, because the mean of its divisors is an integer number (1276473446304).

Almost surely, 220075081085443 is an apocalyptic number.

20075081085443 is a deficient number, since it is larger than the sum of its proper divisors (348494055421).

20075081085443 is a wasteful number, since it uses less digits than its factorization.

20075081085443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878782.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 20075081085443 in words is "twenty trillion, seventy-five billion, eighty-one million, eighty-five thousand, four hundred forty-three".

Divisors: 1 97 191 577 18527 55969 110207 1877917 10690079 182157949 358682147 1083558109 34792168259 105105136573 206959598819 20075081085443