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2022010891 = 23378328627
BaseRepresentation
bin111100010000101…
…0111000000001011
312012220202210111021
41320201113000023
513120113322031
6532350413311
7101051544325
oct17041270013
95186683437
102022010891
1194841078a
12485201237
13262bb2b64
14152788615
15bc7ae511
hex7885700b

2022010891 has 16 divisors (see below), whose sum is σ = 2193133824. Its totient is φ = 1859086944.

The previous prime is 2022010849. The next prime is 2022010909. The reversal of 2022010891 is 1980102202.

It is a cyclic number.

It is not a de Polignac number, because 2022010891 - 227 = 1887793163 is a prime.

It is a super-3 number, since 3×20220108913 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022010831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56320 + ... + 84946.

It is an arithmetic number, because the mean of its divisors is an integer number (137070864).

Almost surely, 22022010891 is an apocalyptic number.

2022010891 is a deficient number, since it is larger than the sum of its proper divisors (171122933).

2022010891 is a wasteful number, since it uses less digits than its factorization.

2022010891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28770.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2022010891 is about 44966.7754125199. The cubic root of 2022010891 is about 1264.5261945791.

The spelling of 2022010891 in words is "two billion, twenty-two million, ten thousand, eight hundred ninety-one".

Divisors: 1 23 37 83 851 1909 3071 28627 70633 658421 1059199 2376041 24361577 54648943 87913517 2022010891