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1089333081 = 321072394733
BaseRepresentation
bin100000011101101…
…1110011101011001
32210220202212001200
41000323132131121
54212332124311
6300032104413
735665115124
oct10073363531
92726685050
101089333081
1150999a081
12264995109
131448b76b5
14a49633bb
156597a556
hex40ede759

1089333081 has 24 divisors (see below), whose sum is σ = 1595168640. Its totient is φ = 716273376.

The previous prime is 1089333041. The next prime is 1089333097. The reversal of 1089333081 is 1803339801.

It is not a de Polignac number, because 1089333081 - 213 = 1089324889 is a prime.

It is a super-2 number, since 2×10893330812 = 2373293122721905122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1089333031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227791 + ... + 232523.

It is an arithmetic number, because the mean of its divisors is an integer number (66465360).

Almost surely, 21089333081 is an apocalyptic number.

It is an amenable number.

1089333081 is a deficient number, since it is larger than the sum of its proper divisors (505835559).

1089333081 is a wasteful number, since it uses less digits than its factorization.

1089333081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1089333081 is about 33005.0462959833. The cubic root of 1089333081 is about 1028.9325293560.

The spelling of 1089333081 in words is "one billion, eighty-nine million, three hundred thirty-three thousand, eighty-one".

Divisors: 1 3 9 107 239 321 717 963 2151 4733 14199 25573 42597 76719 230157 506431 1131187 1519293 3393561 4557879 10180683 121037009 363111027 1089333081