Base | Representation |
---|---|
bin | 11111111010111110… |
… | …00001010010000001 |
3 | 1122020100112210121201 |
4 | 33331133001102001 |
5 | 240044220403444 |
6 | 11512315421201 |
7 | 1144454533201 |
oct | 177537012201 |
9 | 48210483551 |
10 | 17137669249 |
11 | 72a4849618 |
12 | 33a3454801 |
13 | 18016958bc |
14 | b880b8401 |
15 | 6a481cdd4 |
hex | 3fd7c1481 |
17137669249 has 4 divisors (see below), whose sum is σ = 17138428164. Its totient is φ = 17136910336.
The previous prime is 17137669201. The next prime is 17137669261. The reversal of 17137669249 is 94296673171.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94296673171 = 199 ⋅473852629.
It can be written as a sum of positive squares in 2 ways, for example, as 1410753600 + 15726915649 = 37560^2 + 125407^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-17137669249 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 17137669249.
It is not an unprimeable number, because it can be changed into a prime (17137609249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344512 + ... + 391105.
It is an arithmetic number, because the mean of its divisors is an integer number (4284607041).
Almost surely, 217137669249 is an apocalyptic number.
It is an amenable number.
17137669249 is a deficient number, since it is larger than the sum of its proper divisors (758915).
17137669249 is an equidigital number, since it uses as much as digits as its factorization.
17137669249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 758914.
The product of its digits is 3429216, while the sum is 55.
The spelling of 17137669249 in words is "seventeen billion, one hundred thirty-seven million, six hundred sixty-nine thousand, two hundred forty-nine".
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