Base | Representation |
---|---|
bin | 1001110010101101000… |
… | …1011111100110001001 |
3 | 121002020012220210011120 |
4 | 2130223101133212021 |
5 | 10224013302340242 |
6 | 205141134545453 |
7 | 15103614055110 |
oct | 2345321374611 |
9 | 532205823146 |
10 | 168229730697 |
11 | 6538932a696 |
12 | 2872b968289 |
13 | 12b30276562 |
14 | 81dc8dcc77 |
15 | 45992161ec |
hex | 272b45f989 |
168229730697 has 32 divisors (see below), whose sum is σ = 258083036160. Its totient is φ = 95482497600.
The previous prime is 168229730681. The next prime is 168229730729. The reversal of 168229730697 is 796037922861.
It is not a de Polignac number, because 168229730697 - 24 = 168229730681 is a prime.
It is a super-3 number, since 3×1682297306973 (a number of 35 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 168229730697.
It is not an unprimeable number, because it can be changed into a prime (168229735697) 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, 3796254 + ... + 3840312.
It is an arithmetic number, because the mean of its divisors is an integer number (8065094880).
Almost surely, 2168229730697 is an apocalyptic number.
It is an amenable number.
168229730697 is a deficient number, since it is larger than the sum of its proper divisors (89853305463).
168229730697 is a wasteful number, since it uses less digits than its factorization.
168229730697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45293.
The product of its (nonzero) digits is 13716864, while the sum is 60.
The spelling of 168229730697 in words is "one hundred sixty-eight billion, two hundred twenty-nine million, seven hundred thirty thousand, six hundred ninety-seven".
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