Base | Representation |
---|---|
bin | 111100100000010… |
… | …1101101000001111 |
3 | 12020111020101000212 |
4 | 1321000231220033 |
5 | 13124214330111 |
6 | 533242513035 |
7 | 101211445664 |
oct | 17100555017 |
9 | 5214211025 |
10 | 2030230031 |
11 | 952014965 |
12 | 487b0577b |
13 | 2647ccc5b |
14 | 1538c7a6b |
15 | bd38498b |
hex | 7902da0f |
2030230031 has 12 divisors (see below), whose sum is σ = 2078538000. Its totient is φ = 1982997120.
The previous prime is 2030229991. The next prime is 2030230043. The reversal of 2030230031 is 1300320302.
It is not a de Polignac number, because 2030230031 - 230 = 956488207 is a prime.
It is a super-2 number, since 2×20302300312 = 8243667957548521922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2030229988 and 2030230015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030230051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675470 + ... + 678468.
It is an arithmetic number, because the mean of its divisors is an integer number (173211500).
Almost surely, 22030230031 is an apocalyptic number.
2030230031 is a deficient number, since it is larger than the sum of its proper divisors (48307969).
2030230031 is an equidigital number, since it uses as much as digits as its factorization.
2030230031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3346 (or 3293 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 2030230031 is about 45058.0739823619. The cubic root of 2030230031 is about 1266.2372416058.
Adding to 2030230031 its reverse (1300320302), we get a palindrome (3330550333).
The spelling of 2030230031 in words is "two billion, thirty million, two hundred thirty thousand, thirty-one".
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