Base | Representation |
---|---|
bin | 10100000110000… |
… | …00010110000001 |
3 | 102202011201212000 |
4 | 22003000112001 |
5 | 321122410001 |
6 | 24420454213 |
7 | 4114510401 |
oct | 1203002601 |
9 | 382151760 |
10 | 168560001 |
11 | 87169695 |
12 | 4854a369 |
13 | 28bc9a5c |
14 | 1855a801 |
15 | ebe8a86 |
hex | a0c0581 |
168560001 has 32 divisors (see below), whose sum is σ = 268492800. Its totient is φ = 104178960.
The previous prime is 168559999. The next prime is 168560023. The reversal of 168560001 is 100065861.
It is not a de Polignac number, because 168560001 - 21 = 168559999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (168560071) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20616 + ... + 27606.
It is an arithmetic number, because the mean of its divisors is an integer number (8390400).
Almost surely, 2168560001 is an apocalyptic number.
It is an amenable number.
168560001 is a deficient number, since it is larger than the sum of its proper divisors (99932799).
168560001 is a wasteful number, since it uses less digits than its factorization.
168560001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7066 (or 7060 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 168560001 is about 12983.0659322057. The cubic root of 168560001 is about 552.3972506729.
The spelling of 168560001 in words is "one hundred sixty-eight million, five hundred sixty thousand, one".
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