Base | Representation |
---|---|
bin | 100100001011101… |
… | …0111110111100111 |
3 | 10010121111222202112 |
4 | 1020113113313213 |
5 | 4441301233011 |
6 | 320250031235 |
7 | 42041365112 |
oct | 11027276747 |
9 | 3117458675 |
10 | 1214086631 |
11 | 57335828a |
12 | 29a71851b |
13 | 1646b7174 |
14 | b7359579 |
15 | 718be58b |
hex | 485d7de7 |
1214086631 has 2 divisors, whose sum is σ = 1214086632. Its totient is φ = 1214086630.
The previous prime is 1214086619. The next prime is 1214086693. The reversal of 1214086631 is 1366804121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1214086631 - 218 = 1213824487 is a prime.
It is a super-2 number, since 2×12140866312 = 2948012695145860322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1214086031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607043315 + 607043316.
It is an arithmetic number, because the mean of its divisors is an integer number (607043316).
Almost surely, 21214086631 is an apocalyptic number.
1214086631 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214086631 is an equidigital number, since it uses as much as digits as its factorization.
1214086631 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 1214086631 is about 34843.7459381164. The cubic root of 1214086631 is about 1066.8005369850.
The spelling of 1214086631 in words is "one billion, two hundred fourteen million, eighty-six thousand, six hundred thirty-one".
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