Search a number
-
+
8138676804 = 223678223067
BaseRepresentation
bin1111001010001101…
…00101101001000100
3210000012100121201020
413211012211221010
5113132000124204
63423332031140
7405453416466
oct74506455104
923005317636
108138676804
1134a7086385
1216b17624b0
139c91a90bb
14572c86136
1532978ebd9
hex1e51a5a44

8138676804 has 12 divisors (see below), whose sum is σ = 18990245904. Its totient is φ = 2712892264.

The previous prime is 8138676787. The next prime is 8138676811. The reversal of 8138676804 is 4086768318.

It is a tau number, because it is divible by the number of its divisors (12).

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, 339111522 + ... + 339111545.

It is an arithmetic number, because the mean of its divisors is an integer number (1582520492).

Almost surely, 28138676804 is an apocalyptic number.

It is an amenable number.

8138676804 is an abundant number, since it is smaller than the sum of its proper divisors (10851569100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8138676804 is a wasteful number, since it uses less digits than its factorization.

8138676804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678223074 (or 678223072 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 8138676804 is about 90214.6152460897. The cubic root of 8138676804 is about 2011.4902608681.

The spelling of 8138676804 in words is "eight billion, one hundred thirty-eight million, six hundred seventy-six thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 678223067 1356446134 2034669201 2712892268 4069338402 8138676804