Search a number
-
+
8012240977 = 13616326229
BaseRepresentation
bin1110111011001000…
…10001100001010001
3202200101110000100211
413131210101201101
5112402113202402
63403014044121
7402356632066
oct73544214121
922611400324
108012240977
113441779264
121677349641
139a8c3a9c0
14560172c6d
1531d6174d7
hex1dd911851

8012240977 has 4 divisors (see below), whose sum is σ = 8628567220. Its totient is φ = 7395914736.

The previous prime is 8012240939. The next prime is 8012240983. The reversal of 8012240977 is 7790422108.

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 2675061841 + 5337179136 = 51721^2 + 73056^2 .

It is a cyclic number.

It is not a de Polignac number, because 8012240977 - 27 = 8012240849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8012240987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308163102 + ... + 308163127.

It is an arithmetic number, because the mean of its divisors is an integer number (2157141805).

Almost surely, 28012240977 is an apocalyptic number.

It is an amenable number.

8012240977 is a deficient number, since it is larger than the sum of its proper divisors (616326243).

8012240977 is a wasteful number, since it uses less digits than its factorization.

8012240977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616326242.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 8012240977 is about 89511.1220854705. The cubic root of 8012240977 is about 2001.0195615754.

The spelling of 8012240977 in words is "eight billion, twelve million, two hundred forty thousand, nine hundred seventy-seven".

Divisors: 1 13 616326229 8012240977