Base | Representation |
---|---|
bin | 1010111011100001… |
… | …0010010100100001 |
3 | 21120110211011120211 |
4 | 2232320102110201 |
5 | 22002100200224 |
6 | 1203045334121 |
7 | 132464336500 |
oct | 25670222441 |
9 | 7513734524 |
10 | 2933990689 |
11 | 12761856a3 |
12 | 69a707341 |
13 | 379b12286 |
14 | 1db942837 |
15 | 1228a5894 |
hex | aee12521 |
2933990689 has 6 divisors (see below), whose sum is σ = 3413009634. Its totient is φ = 2514849120.
The previous prime is 2933990687. The next prime is 2933990701. The reversal of 2933990689 is 9860993392.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 2597635089 + 336355600 = 50967^2 + 18340^2 .
It is not a de Polignac number, because 2933990689 - 21 = 2933990687 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2933990687) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29938632 + ... + 29938729.
It is an arithmetic number, because the mean of its divisors is an integer number (568834939).
Almost surely, 22933990689 is an apocalyptic number.
It is an amenable number.
2933990689 is a deficient number, since it is larger than the sum of its proper divisors (479018945).
2933990689 is an equidigital number, since it uses as much as digits as its factorization.
2933990689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59877375 (or 59877368 counting only the distinct ones).
The product of its (nonzero) digits is 5668704, while the sum is 58.
The square root of 2933990689 is about 54166.3243076360. The cubic root of 2933990689 is about 1431.5930360003.
The spelling of 2933990689 in words is "two billion, nine hundred thirty-three million, nine hundred ninety thousand, six hundred eighty-nine".
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