Base | Representation |
---|---|
bin | 110101101001101… |
… | …1000111100100110 |
3 | 11122110110220220212 |
4 | 1223103120330212 |
5 | 12141330320110 |
6 | 454345255422 |
7 | 62416554533 |
oct | 15323307446 |
9 | 4573426825 |
10 | 1800245030 |
11 | 844211811 |
12 | 422a94572 |
13 | 228c7775c |
14 | 13113bd8a |
15 | a80a5e05 |
hex | 6b4d8f26 |
1800245030 has 16 divisors (see below), whose sum is σ = 3240926640. Its totient is φ = 719990112.
The previous prime is 1800244991. The next prime is 1800245071. The reversal of 1800245030 is 305420081.
It is a junction number, because it is equal to n+sod(n) for n = 1800244987 and 1800245005.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113657 + ... + 128523.
It is an arithmetic number, because the mean of its divisors is an integer number (202557915).
Almost surely, 21800245030 is an apocalyptic number.
1800245030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1800245030 is a deficient number, since it is larger than the sum of its proper divisors (1440681610).
1800245030 is a wasteful number, since it uses less digits than its factorization.
1800245030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26983.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1800245030 is about 42429.2944791685. The cubic root of 1800245030 is about 1216.4955937197.
The spelling of 1800245030 in words is "one billion, eight hundred million, two hundred forty-five thousand, thirty".
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