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3309506081 = 747103127769
BaseRepresentation
bin1100010101000011…
…0000111000100001
322112122102022212022
43011100300320201
523234213143311
61304222111225
7145004223530
oct30520607041
98478368768
103309506081
1114491479a2
1278441b515
1340986012b
14235772317
1514582e5db
hexc5430e21

3309506081 has 32 divisors (see below), whose sum is σ = 3936092160. Its totient is φ = 2724212736.

The previous prime is 3309506063. The next prime is 3309506111. The reversal of 3309506081 is 1806059033.

It is not a de Polignac number, because 3309506081 - 214 = 3309489697 is a prime.

It is a super-2 number, since 2×33095060812 = 21905661000351957122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3309506021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4303265 + ... + 4304033.

It is an arithmetic number, because the mean of its divisors is an integer number (123002880).

Almost surely, 23309506081 is an apocalyptic number.

It is an amenable number.

3309506081 is a deficient number, since it is larger than the sum of its proper divisors (626586079).

3309506081 is a wasteful number, since it uses less digits than its factorization.

3309506081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 3309506081 is about 57528.3067802278. The cubic root of 3309506081 is about 1490.2337487430.

The spelling of 3309506081 in words is "three billion, three hundred nine million, five hundred six thousand, eighty-one".

Divisors: 1 7 47 103 127 329 721 769 889 4841 5383 5969 13081 33887 36143 41783 79207 91567 97663 253001 554449 614807 683641 3722729 4303649 4590161 10059289 26059103 32131127 70415023 472786583 3309506081