Base | Representation |
---|---|
bin | 11001001111010010… |
… | …10100011101011001 |
3 | 1021222022210121101011 |
4 | 30213221110131121 |
5 | 210222302420032 |
6 | 10120320253521 |
7 | 656532324265 |
oct | 144751243531 |
9 | 37868717334 |
10 | 13550045017 |
11 | 5823713413 |
12 | 2761a712a1 |
13 | 137c329822 |
14 | 92782b0a5 |
15 | 5448a3247 |
hex | 327a54759 |
13550045017 has 2 divisors, whose sum is σ = 13550045018. Its totient is φ = 13550045016.
The previous prime is 13550044979. The next prime is 13550045063. The reversal of 13550045017 is 71054005531.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12307905481 + 1242139536 = 110941^2 + 35244^2 .
It is an emirp because it is prime and its reverse (71054005531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13550045017 - 223 = 13541656409 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13550045017.
It is not a weakly prime, because it can be changed into another prime (13550045077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775022508 + 6775022509.
It is an arithmetic number, because the mean of its divisors is an integer number (6775022509).
Almost surely, 213550045017 is an apocalyptic number.
It is an amenable number.
13550045017 is a deficient number, since it is larger than the sum of its proper divisors (1).
13550045017 is an equidigital number, since it uses as much as digits as its factorization.
13550045017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10500, while the sum is 31.
The spelling of 13550045017 in words is "thirteen billion, five hundred fifty million, forty-five thousand, seventeen".
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