Base | Representation |
---|---|
bin | 100100001011100… |
… | …1000011100001111 |
3 | 10010121101210002002 |
4 | 1020113020130033 |
5 | 4441242222224 |
6 | 320244422515 |
7 | 42041012636 |
oct | 11027103417 |
9 | 3117353062 |
10 | 1214023439 |
11 | 573314862 |
12 | 29a6a7a3b |
13 | 164694485 |
14 | b734051d |
15 | 718aa9ae |
hex | 485c870f |
1214023439 has 2 divisors, whose sum is σ = 1214023440. Its totient is φ = 1214023438.
The previous prime is 1214023427. The next prime is 1214023441. The reversal of 1214023439 is 9343204121.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1214023439 is a prime.
Together with 1214023441, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1214023469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607011719 + 607011720.
It is an arithmetic number, because the mean of its divisors is an integer number (607011720).
Almost surely, 21214023439 is an apocalyptic number.
1214023439 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214023439 is an equidigital number, since it uses as much as digits as its factorization.
1214023439 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 1214023439 is about 34842.8391351796. The cubic root of 1214023439 is about 1066.7820280287.
The spelling of 1214023439 in words is "one billion, two hundred fourteen million, twenty-three thousand, four hundred thirty-nine".
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