Base | Representation |
---|---|
bin | 110110100011101… |
… | …0100010100111011 |
3 | 11201120122212212022 |
4 | 1231013110110323 |
5 | 12222120303221 |
6 | 501352505055 |
7 | 63236065505 |
oct | 15507242473 |
9 | 4646585768 |
10 | 1830634811 |
11 | 85a389035 |
12 | 4310ab18b |
13 | 232357c85 |
14 | 1351acd75 |
15 | aaaaa4ab |
hex | 6d1d453b |
1830634811 has 2 divisors, whose sum is σ = 1830634812. Its totient is φ = 1830634810.
The previous prime is 1830634807. The next prime is 1830634877. The reversal of 1830634811 is 1184360381.
It is a weak prime.
It is an emirp because it is prime and its reverse (1184360381) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1830634811 - 22 = 1830634807 is a prime.
It is a super-2 number, since 2×18306348112 = 6702447622490011442, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1830634801) by changing a digit.
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 as a sum of consecutive naturals, namely, 915317405 + 915317406.
It is an arithmetic number, because the mean of its divisors is an integer number (915317406).
Almost surely, 21830634811 is an apocalyptic number.
1830634811 is a deficient number, since it is larger than the sum of its proper divisors (1).
1830634811 is an equidigital number, since it uses as much as digits as its factorization.
1830634811 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 1830634811 is about 42785.9183727544. The cubic root of 1830634811 is about 1223.3026189842.
The spelling of 1830634811 in words is "one billion, eight hundred thirty million, six hundred thirty-four thousand, eight hundred eleven".
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