Base | Representation |
---|---|
bin | 11111111111000100… |
… | …10101100000100001 |
3 | 1122022202022201002000 |
4 | 33333202111200201 |
5 | 240132023433321 |
6 | 11515545314213 |
7 | 1145353244652 |
oct | 177742254041 |
9 | 48282281060 |
10 | 17172092961 |
11 | 7312220671 |
12 | 33b2a95969 |
13 | 180885926a |
14 | b8c8b9529 |
15 | 6a786c826 |
hex | 3ff895821 |
17172092961 has 16 divisors (see below), whose sum is σ = 25484251200. Its totient is φ = 11428210944.
The previous prime is 17172092953. The next prime is 17172092983. The reversal of 17172092961 is 16929027171.
It is not a de Polignac number, because 17172092961 - 23 = 17172092953 is a prime.
It is a super-2 number, since 2×171720929612 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (17172090961) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535551 + ... + 566708.
It is an arithmetic number, because the mean of its divisors is an integer number (1592765700).
Almost surely, 217172092961 is an apocalyptic number.
It is an amenable number.
17172092961 is a deficient number, since it is larger than the sum of its proper divisors (8312158239).
17172092961 is a wasteful number, since it uses less digits than its factorization.
17172092961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1102845 (or 1102839 counting only the distinct ones).
The product of its (nonzero) digits is 95256, while the sum is 45.
The spelling of 17172092961 in words is "seventeen billion, one hundred seventy-two million, ninety-two thousand, nine hundred sixty-one".
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