Base | Representation |
---|---|
bin | 1111101011100001… |
… | …00101000101110001 |
3 | 210201200011210210001 |
4 | 13311300211011301 |
5 | 114220014320144 |
6 | 3511153310001 |
7 | 415415561023 |
oct | 76560450561 |
9 | 23650153701 |
10 | 8418120049 |
11 | 362a89a209 |
12 | 176b265301 |
13 | a4205a231 |
14 | 59c028013 |
15 | 34408cbd4 |
hex | 1f5c25171 |
8418120049 has 12 divisors (see below), whose sum is σ = 8549015616. Its totient is φ = 8289195552.
The previous prime is 8418120017. The next prime is 8418120101. The reversal of 8418120049 is 9400218148.
It is not a de Polignac number, because 8418120049 - 25 = 8418120017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8418127049) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 5237604 + ... + 5239210.
It is an arithmetic number, because the mean of its divisors is an integer number (712417968).
Almost surely, 28418120049 is an apocalyptic number.
It is an amenable number.
8418120049 is a deficient number, since it is larger than the sum of its proper divisors (130895567).
8418120049 is an equidigital number, since it uses as much as digits as its factorization.
8418120049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2736 (or 2663 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 37.
The square root of 8418120049 is about 91750.3136179926. The cubic root of 8418120049 is about 2034.2533425814.
The spelling of 8418120049 in words is "eight billion, four hundred eighteen million, one hundred twenty thousand, forty-nine".
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