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5809578081 = 343117138459
BaseRepresentation
bin1010110100100011…
…10010000001100001
3112222212202010220120
411122101302001201
543344222444311
62400251230453
7263652412266
oct53221620141
915885663816
105809578081
11251139aaaa
121161748429
137177b6288
143d180126d
15240071706
hex15a472061

5809578081 has 16 divisors (see below), whose sum is σ = 7933221120. Its totient is φ = 3779652240.

The previous prime is 5809578067. The next prime is 5809578083. The reversal of 5809578081 is 1808759085.

It is not a de Polignac number, because 5809578081 - 27 = 5809577953 is a prime.

It is a super-2 number, since 2×58095780812 = 67502394958471285122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5809578083) 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, 131830 + ... + 170288.

It is an arithmetic number, because the mean of its divisors is an integer number (495826320).

Almost surely, 25809578081 is an apocalyptic number.

It is an amenable number.

5809578081 is a deficient number, since it is larger than the sum of its proper divisors (2123643039).

5809578081 is a wasteful number, since it uses less digits than its factorization.

5809578081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39676.

The product of its (nonzero) digits is 806400, while the sum is 51.

The square root of 5809578081 is about 76220.5883013245. The cubic root of 5809578081 is about 1797.6902556337.

The spelling of 5809578081 in words is "five billion, eight hundred nine million, five hundred seventy-eight thousand, eighty-one".

Divisors: 1 3 43 129 1171 3513 38459 50353 115377 151059 1653737 4961211 45035489 135106467 1936526027 5809578081