Base | Representation |
---|---|
bin | 1001110011100001001… |
… | …0110001000001000111 |
3 | 121002210102221112211022 |
4 | 2130320102301001013 |
5 | 10224440212334012 |
6 | 205214540501355 |
7 | 15112205542430 |
oct | 2347022610107 |
9 | 532712845738 |
10 | 168448168007 |
11 | 65490665899 |
12 | 28790b4a85b |
13 | 12b665b78c2 |
14 | 821d920487 |
15 | 45ad4b3472 |
hex | 27384b1047 |
168448168007 has 16 divisors (see below), whose sum is σ = 203304541440. Its totient is φ = 136339391808.
The previous prime is 168448168003. The next prime is 168448168037. The reversal of 168448168007 is 700861844861.
It is a cyclic number.
It is not a de Polignac number, because 168448168007 - 22 = 168448168003 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 168448168007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168448168003) 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, 2021918 + ... + 2103579.
It is an arithmetic number, because the mean of its divisors is an integer number (12706533840).
Almost surely, 2168448168007 is an apocalyptic number.
168448168007 is a deficient number, since it is larger than the sum of its proper divisors (34856373433).
168448168007 is a wasteful number, since it uses less digits than its factorization.
168448168007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4125830.
The product of its (nonzero) digits is 2064384, while the sum is 53.
The spelling of 168448168007 in words is "one hundred sixty-eight billion, four hundred forty-eight million, one hundred sixty-eight thousand, seven".
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