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5777979905 = 51155595981
BaseRepresentation
bin1010110000110010…
…01111101000000001
3112220200021210100202
411120121033220001
543313130324110
62353202054545
7263120006315
oct53031175001
915820253322
105777979905
1124a5578905
12115304a455
137110a1a29
143cb537b45
1523c3ce0a5
hex15864fa01

5777979905 has 4 divisors (see below), whose sum is σ = 6933575892. Its totient is φ = 4622383920.

The previous prime is 5777979887. The next prime is 5777979913. The reversal of 5777979905 is 5099797775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1981941361 + 3796038544 = 44519^2 + 61612^2 .

It is not a de Polignac number, because 5777979905 - 216 = 5777914369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577797986 + ... + 577797995.

It is an arithmetic number, because the mean of its divisors is an integer number (1733393973).

Almost surely, 25777979905 is an apocalyptic number.

It is an amenable number.

5777979905 is a deficient number, since it is larger than the sum of its proper divisors (1155595987).

5777979905 is a wasteful number, since it uses less digits than its factorization.

5777979905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155595986.

The product of its (nonzero) digits is 43758225, while the sum is 65.

The square root of 5777979905 is about 76013.0245747398. The cubic root of 5777979905 is about 1794.4251286661.

The spelling of 5777979905 in words is "five billion, seven hundred seventy-seven million, nine hundred seventy-nine thousand, nine hundred five".

Divisors: 1 5 1155595981 5777979905