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2020745443 = 171394631847
BaseRepresentation
bin111100001110010…
…0010000011100011
312012211101111121211
41320130202003203
513114302323233
6532303330551
7101035024063
oct17034420343
95184344554
102020745443
11947726a62
124848b0a57
1326285bb82
141525393a3
15bc60e5cd
hex787220e3

2020745443 has 16 divisors (see below), whose sum is σ = 2160829440. Its totient is φ = 1883097216.

The previous prime is 2020745411. The next prime is 2020745459. The reversal of 2020745443 is 3445470202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2020745443 - 25 = 2020745411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020745543) 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, 1093146 + ... + 1094992.

It is an arithmetic number, because the mean of its divisors is an integer number (135051840).

Almost surely, 22020745443 is an apocalyptic number.

2020745443 is a deficient number, since it is larger than the sum of its proper divisors (140083997).

2020745443 is a wasteful number, since it uses less digits than its factorization.

2020745443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2020745443 is about 44952.7022880716. The cubic root of 2020745443 is about 1264.2623440254.

The spelling of 2020745443 in words is "two billion, twenty million, seven hundred forty-five thousand, four hundred forty-three".

Divisors: 1 17 139 463 1847 2363 7871 31399 64357 256733 855161 1094069 4364461 14537737 118867379 2020745443