Base | Representation |
---|---|
bin | 1111110100010101… |
… | …11011111000000110 |
3 | 210220211110022022021 |
4 | 13322022323320012 |
5 | 114342441403430 |
6 | 3522355553354 |
7 | 420304660540 |
oct | 77212737006 |
9 | 23824408267 |
10 | 8492137990 |
11 | 3668654a66 |
12 | 178bbbb85a |
13 | a544a482b |
14 | 5a7bb4690 |
15 | 34a80e07a |
hex | 1fa2bbe06 |
8492137990 has 32 divisors (see below), whose sum is σ = 17474575104. Its totient is φ = 2910751200.
The previous prime is 8492137987. The next prime is 8492137999. The reversal of 8492137990 is 997312948.
It is a happy number.
It is a super-4 number, since 4×84921379904 (a number of 41 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8492137999) by changing a digit.
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, 257965 + ... + 289015.
It is an arithmetic number, because the mean of its divisors is an integer number (546080472).
Almost surely, 28492137990 is an apocalyptic number.
8492137990 is an abundant number, since it is smaller than the sum of its proper divisors (8982437114).
8492137990 is a wasteful number, since it uses less digits than its factorization.
8492137990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34972.
The product of its (nonzero) digits is 979776, while the sum is 52.
The square root of 8492137990 is about 92152.7969732878. The cubic root of 8492137990 is about 2040.1981409171.
The spelling of 8492137990 in words is "eight billion, four hundred ninety-two million, one hundred thirty-seven thousand, nine hundred ninety".
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