Base | Representation |
---|---|
bin | 110100111111100101… |
… | …111000100011110001 |
3 | 12102212120011012021111 |
4 | 310333211320203301 |
5 | 1413013234023244 |
6 | 42050135553321 |
7 | 4053033342565 |
oct | 647745704361 |
9 | 172776135244 |
10 | 56901470449 |
11 | 2214a43aa3a |
12 | b04022b841 |
13 | 549a828555 |
14 | 2a7b15d6a5 |
15 | 17306e9e34 |
hex | d3f9788f1 |
56901470449 has 2 divisors, whose sum is σ = 56901470450. Its totient is φ = 56901470448.
The previous prime is 56901470447. The next prime is 56901470513. The reversal of 56901470449 is 94407410965.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 46082350224 + 10819120225 = 214668^2 + 104015^2 .
It is a cyclic number.
It is not a de Polignac number, because 56901470449 - 21 = 56901470447 is a prime.
Together with 56901470447, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (56901470447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28450735224 + 28450735225.
It is an arithmetic number, because the mean of its divisors is an integer number (28450735225).
Almost surely, 256901470449 is an apocalyptic number.
It is an amenable number.
56901470449 is a deficient number, since it is larger than the sum of its proper divisors (1).
56901470449 is an equidigital number, since it uses as much as digits as its factorization.
56901470449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1088640, while the sum is 49.
The spelling of 56901470449 in words is "fifty-six billion, nine hundred one million, four hundred seventy thousand, four hundred forty-nine".
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