Base | Representation |
---|---|
bin | 111100100001101… |
… | …1010101100001001 |
3 | 12020112120101101212 |
4 | 1321003122230021 |
5 | 13124410021024 |
6 | 533310022505 |
7 | 101220460430 |
oct | 17103325411 |
9 | 5215511355 |
10 | 2030938889 |
11 | 9524594a1 |
12 | 4881a7a35 |
13 | 2649ba7b5 |
14 | 153a30117 |
15 | bd474a0e |
hex | 790dab09 |
2030938889 has 4 divisors (see below), whose sum is σ = 2321073024. Its totient is φ = 1740804756.
The previous prime is 2030938879. The next prime is 2030938901. The reversal of 2030938889 is 9888390302.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2030938889 - 224 = 2014161673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2030938829) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145067057 + ... + 145067070.
It is an arithmetic number, because the mean of its divisors is an integer number (580268256).
Almost surely, 22030938889 is an apocalyptic number.
It is an amenable number.
2030938889 is a deficient number, since it is larger than the sum of its proper divisors (290134135).
2030938889 is an equidigital number, since it uses as much as digits as its factorization.
2030938889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290134134.
The product of its (nonzero) digits is 746496, while the sum is 50.
The square root of 2030938889 is about 45065.9393444761. The cubic root of 2030938889 is about 1266.3845940308.
The spelling of 2030938889 in words is "two billion, thirty million, nine hundred thirty-eight thousand, eight hundred eighty-nine".
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