Base | Representation |
---|---|
bin | 100100001100100… |
… | …0111101010101001 |
3 | 10010122101020220121 |
4 | 1020121013222221 |
5 | 4441410411203 |
6 | 320303523241 |
7 | 42045313135 |
oct | 11031075251 |
9 | 3118336817 |
10 | 1214544553 |
11 | 573640332 |
12 | 29a8b9521 |
13 | 164817721 |
14 | b74383c5 |
15 | 719600bd |
hex | 48647aa9 |
1214544553 has 2 divisors, whose sum is σ = 1214544554. Its totient is φ = 1214544552.
The previous prime is 1214544547. The next prime is 1214544613. The reversal of 1214544553 is 3554454121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1159606809 + 54937744 = 34053^2 + 7412^2 .
It is a cyclic number.
It is not a de Polignac number, because 1214544553 - 25 = 1214544521 is a prime.
It is not a weakly prime, because it can be changed into another prime (1214544533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607272276 + 607272277.
It is an arithmetic number, because the mean of its divisors is an integer number (607272277).
Almost surely, 21214544553 is an apocalyptic number.
It is an amenable number.
1214544553 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214544553 is an equidigital number, since it uses as much as digits as its factorization.
1214544553 is an evil number, because the sum of its binary digits is even.
The product of its digits is 48000, while the sum is 34.
The square root of 1214544553 is about 34850.3163974160. The cubic root of 1214544553 is about 1066.9346432939.
Adding to 1214544553 its reverse (3554454121), we get a palindrome (4768998674).
The spelling of 1214544553 in words is "one billion, two hundred fourteen million, five hundred forty-four thousand, five hundred fifty-three".
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