Base | Representation |
---|---|
bin | 100100001001101… |
… | …0001001000100111 |
3 | 10010112111022112202 |
4 | 1020103101020213 |
5 | 4441012313341 |
6 | 320211005115 |
7 | 42026263451 |
oct | 11023211047 |
9 | 3115438482 |
10 | 1213010471 |
11 | 5727927a2 |
12 | 29a29979b |
13 | 1643cb39a |
14 | b71592d1 |
15 | 7175a79b |
hex | 484d1227 |
1213010471 has 2 divisors, whose sum is σ = 1213010472. Its totient is φ = 1213010470.
The previous prime is 1213010453. The next prime is 1213010569. The reversal of 1213010471 is 1740103121.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1213010471 is a prime.
It is a super-3 number, since 3×12130104713 (a number of 28 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1213010371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606505235 + 606505236.
It is an arithmetic number, because the mean of its divisors is an integer number (606505236).
Almost surely, 21213010471 is an apocalyptic number.
1213010471 is a deficient number, since it is larger than the sum of its proper divisors (1).
1213010471 is an equidigital number, since it uses as much as digits as its factorization.
1213010471 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 168, while the sum is 20.
The square root of 1213010471 is about 34828.2998580178. The cubic root of 1213010471 is about 1066.4852416808.
Adding to 1213010471 its reverse (1740103121), we get a palindrome (2953113592).
The spelling of 1213010471 in words is "one billion, two hundred thirteen million, ten thousand, four hundred seventy-one".
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