Base | Representation |
---|---|
bin | 1111110111011011… |
… | …11010101000011101 |
3 | 210222122021120010011 |
4 | 13323231322220131 |
5 | 114421112211044 |
6 | 3525124043221 |
7 | 421041346330 |
oct | 77355725035 |
9 | 23878246104 |
10 | 8518085149 |
11 | 36812674a2 |
12 | 1798833511 |
13 | a5998ab92 |
14 | 5ab40a617 |
15 | 34cc37134 |
hex | 1fbb7aa1d |
8518085149 has 8 divisors (see below), whose sum is σ = 10247320640. Its totient is φ = 6916941216.
The previous prime is 8518085123. The next prime is 8518085153. The reversal of 8518085149 is 9415808158.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8518085149 - 219 = 8517560861 is a prime.
It is a super-2 number, since 2×85180851492 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8518085119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32022744 + ... + 32023009.
It is an arithmetic number, because the mean of its divisors is an integer number (1280915080).
Almost surely, 28518085149 is an apocalyptic number.
It is an amenable number.
8518085149 is a deficient number, since it is larger than the sum of its proper divisors (1729235491).
8518085149 is a wasteful number, since it uses less digits than its factorization.
8518085149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64045779.
The product of its (nonzero) digits is 460800, while the sum is 49.
The square root of 8518085149 is about 92293.4729490661. The cubic root of 8518085149 is about 2042.2739244809.
The spelling of 8518085149 in words is "eight billion, five hundred eighteen million, eighty-five thousand, one hundred forty-nine".
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