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5811877985 = 519231103867
BaseRepresentation
bin1010110100110101…
…00011100001100001
3120000001001222210012
411122122203201201
543400320043420
62400412414305
7264011101454
oct53232434141
916001058705
105811877985
112512720a51
121162477395
13718110074
143d1c3d49b
15240377dc5
hex15a6a3861

5811877985 has 24 divisors (see below), whose sum is σ = 7598151936. Its totient is φ = 4262660640.

The previous prime is 5811877957. The next prime is 5811877987. The reversal of 5811877985 is 5897781185.

It is not a de Polignac number, because 5811877985 - 212 = 5811873889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5811877987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4022 + ... + 107888.

It is an arithmetic number, because the mean of its divisors is an integer number (316589664).

Almost surely, 25811877985 is an apocalyptic number.

It is an amenable number.

5811877985 is a deficient number, since it is larger than the sum of its proper divisors (1786273951).

5811877985 is a wasteful number, since it uses less digits than its factorization.

5811877985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103941 (or 103922 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 59.

The square root of 5811877985 is about 76235.6739656704. The cubic root of 5811877985 is about 1797.9274483913.

The spelling of 5811877985 in words is "five billion, eight hundred eleven million, eight hundred seventy-seven thousand, nine hundred eighty-five".

Divisors: 1 5 19 31 95 155 361 589 1805 2945 11191 55955 103867 519335 1973473 3219877 9867365 16099385 37495987 61177663 187479935 305888315 1162375597 5811877985