Base | Representation |
---|---|
bin | 1111110011000100… |
… | …10101001110110110 |
3 | 210220002102112102021 |
4 | 13321202111032312 |
5 | 114332230301232 |
6 | 3521335503354 |
7 | 420115336405 |
oct | 77142251666 |
9 | 23802375367 |
10 | 8481493942 |
11 | 3662644a29 |
12 | 1788527b5a |
13 | a52218a8c |
14 | 5a660363c |
15 | 34990a397 |
hex | 1f98953b6 |
8481493942 has 32 divisors (see below), whose sum is σ = 13919673600. Its totient is φ = 3861818208.
The previous prime is 8481493921. The next prime is 8481493973. The reversal of 8481493942 is 2493941848.
It is a self number, because there is not a number n which added to its sum of digits gives 8481493942.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80359 + ... + 153037.
It is an arithmetic number, because the mean of its divisors is an integer number (434989800).
Almost surely, 28481493942 is an apocalyptic number.
8481493942 is a deficient number, since it is larger than the sum of its proper divisors (5438179658).
8481493942 is a wasteful number, since it uses less digits than its factorization.
8481493942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72820.
The product of its digits is 1990656, while the sum is 52.
The square root of 8481493942 is about 92095.0266952565. The cubic root of 8481493942 is about 2039.3453895753.
The spelling of 8481493942 in words is "eight billion, four hundred eighty-one million, four hundred ninety-three thousand, nine hundred forty-two".
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