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8773130645 = 52859761357
BaseRepresentation
bin10000010101110101…
…10101100110010101
3211122102012012202122
420022322311212111
5120431410140040
64010314345325
7430256244236
oct101272654625
924572165678
108773130645
1137a22269a4
12184a12b245
13a9a778c86
145d323b08d
153653161b5
hex20aeb5995

8773130645 has 8 divisors (see below), whose sum is σ = 10528296504. Its totient is φ = 7018144704.

The previous prime is 8773130629. The next prime is 8773130669. The reversal of 8773130645 is 5460313778.

8773130645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5840474929 + 2932655716 = 76423^2 + 54154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8773130645 - 24 = 8773130629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8773130596 and 8773130605.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112307 + ... + 173663.

It is an arithmetic number, because the mean of its divisors is an integer number (1316037063).

Almost surely, 28773130645 is an apocalyptic number.

It is an amenable number.

8773130645 is a deficient number, since it is larger than the sum of its proper divisors (1755165859).

8773130645 is a wasteful number, since it uses less digits than its factorization.

8773130645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89959.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 8773130645 is about 93664.9915656858. The cubic root of 8773130645 is about 2062.4568234365.

The spelling of 8773130645 in words is "eight billion, seven hundred seventy-three million, one hundred thirty thousand, six hundred forty-five".

Divisors: 1 5 28597 61357 142985 306785 1754626129 8773130645