Base | Representation |
---|---|
bin | 111100100000111… |
… | …1011110100001001 |
3 | 12020111211122022222 |
4 | 1321001323310021 |
5 | 13124310102111 |
6 | 533253423425 |
7 | 101214251444 |
oct | 17101736411 |
9 | 5214748288 |
10 | 2030550281 |
11 | 952213531 |
12 | 48803ab75 |
13 | 2648b2956 |
14 | 15396c65b |
15 | bd3e97db |
hex | 7907bd09 |
2030550281 has 2 divisors, whose sum is σ = 2030550282. Its totient is φ = 2030550280.
The previous prime is 2030550211. The next prime is 2030550287. The reversal of 2030550281 is 1820550302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1974913600 + 55636681 = 44440^2 + 7459^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2030550281 is a prime.
It is a super-2 number, since 2×20305502812 = 8246268887338357922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2030550281.
It is not a weakly prime, because it can be changed into another prime (2030550287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015275140 + 1015275141.
It is an arithmetic number, because the mean of its divisors is an integer number (1015275141).
Almost surely, 22030550281 is an apocalyptic number.
It is an amenable number.
2030550281 is a deficient number, since it is larger than the sum of its proper divisors (1).
2030550281 is an equidigital number, since it uses as much as digits as its factorization.
2030550281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 2030550281 is about 45061.6275893359. The cubic root of 2030550281 is about 1266.3038171745.
The spelling of 2030550281 in words is "two billion, thirty million, five hundred fifty thousand, two hundred eighty-one".
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