Search a number
-
+
8668142634 = 237511923689
BaseRepresentation
bin10000001001010100…
…10101110000101010
3211101002122021021210
420010222111300222
5120223021031014
63552044213550
7424542665604
oct100452256052
924332567253
108668142634
113748a38948
12181ab3a2b6
13a81aa9ca8
145c330c174
1535aec8859
hex204a95c2a

8668142634 has 16 divisors (see below), whose sum is σ = 17359378560. Its totient is φ = 2885532000.

The previous prime is 8668142617. The next prime is 8668142647. The reversal of 8668142634 is 4362418668.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957339 + ... + 966350.

It is an arithmetic number, because the mean of its divisors is an integer number (1084961160).

Almost surely, 28668142634 is an apocalyptic number.

8668142634 is an abundant number, since it is smaller than the sum of its proper divisors (8691235926).

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

8668142634 is a wasteful number, since it uses less digits than its factorization.

8668142634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924445.

The product of its digits is 1327104, while the sum is 48.

The square root of 8668142634 is about 93102.8605038535. The cubic root of 8668142634 is about 2054.1966485944.

The spelling of 8668142634 in words is "eight billion, six hundred sixty-eight million, one hundred forty-two thousand, six hundred thirty-four".

Divisors: 1 2 3 6 751 1502 2253 4506 1923689 3847378 5771067 11542134 1444690439 2889380878 4334071317 8668142634