Base | Representation |
---|---|
bin | 111100011111111… |
… | …1100110110010111 |
3 | 12020110212012221212 |
4 | 1320333330312113 |
5 | 13124141431411 |
6 | 533234332035 |
7 | 101206654325 |
oct | 17077746627 |
9 | 5213765855 |
10 | 2030030231 |
11 | 951998839 |
12 | 487a2a01b |
13 | 264760028 |
14 | 153874d15 |
15 | bd34568b |
hex | 78ffcd97 |
2030030231 has 4 divisors (see below), whose sum is σ = 2149443792. Its totient is φ = 1910616672.
The previous prime is 2030030227. The next prime is 2030030263. The reversal of 2030030231 is 1320300302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320300302 = 2 ⋅660150151.
It is not a de Polignac number, because 2030030231 - 22 = 2030030227 is a prime.
It is a super-2 number, since 2×20300302312 = 8242045477547826722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030030201) 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, 59706755 + ... + 59706788.
It is an arithmetic number, because the mean of its divisors is an integer number (537360948).
Almost surely, 22030030231 is an apocalyptic number.
2030030231 is a deficient number, since it is larger than the sum of its proper divisors (119413561).
2030030231 is a wasteful number, since it uses less digits than its factorization.
2030030231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119413560.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 2030030231 is about 45055.8567891012. The cubic root of 2030030231 is about 1266.1957023883.
Adding to 2030030231 its reverse (1320300302), we get a palindrome (3350330533).
The spelling of 2030030231 in words is "two billion, thirty million, thirty thousand, two hundred thirty-one".
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