Base | Representation |
---|---|
bin | 1010100101001000… |
… | …0000001111101001 |
3 | 21022221002110101100 |
4 | 2221102000033221 |
5 | 21304024202342 |
6 | 1145452312013 |
7 | 130244121555 |
oct | 25122001751 |
9 | 7287073340 |
10 | 2840069097 |
11 | 1228165a48 |
12 | 673172609 |
13 | 363519378 |
14 | 1cd294865 |
15 | 119501e4c |
hex | a94803e9 |
2840069097 has 18 divisors (see below), whose sum is σ = 4164523818. Its totient is φ = 1865093472.
The previous prime is 2840069081. The next prime is 2840069119. The reversal of 2840069097 is 7909600482.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 2647719936 + 192349161 = 51456^2 + 13869^2 .
It is not a de Polignac number, because 2840069097 - 24 = 2840069081 is a prime.
It is a super-3 number, since 3×28400690973 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2840069497) by changing a digit.
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 17 ways as a sum of consecutive naturals, for example, 5253 + ... + 75549.
Almost surely, 22840069097 is an apocalyptic number.
It is an amenable number.
2840069097 is a deficient number, since it is larger than the sum of its proper divisors (1324454721).
2840069097 is an equidigital number, since it uses as much as digits as its factorization.
2840069097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70437 (or 70367 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 2840069097 is about 53292.2986650041. The cubic root of 2840069097 is about 1416.1512349840.
The spelling of 2840069097 in words is "two billion, eight hundred forty million, sixty-nine thousand, ninety-seven".
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