Base | Representation |
---|---|
bin | 1000001010001… |
… | …11011101100111 |
3 | 11202210121221210 |
4 | 10011013131213 |
5 | 120010401101 |
6 | 10443042503 |
7 | 1460550060 |
oct | 405073547 |
9 | 152717853 |
10 | 68450151 |
11 | 35702680 |
12 | 1ab10433 |
13 | 11248263 |
14 | 913b567 |
15 | 60217d6 |
hex | 4147767 |
68450151 has 32 divisors (see below), whose sum is σ = 114329088. Its totient is φ = 35389440.
The previous prime is 68450149. The next prime is 68450191. The reversal of 68450151 is 15105486.
It is not a de Polignac number, because 68450151 - 21 = 68450149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68450191) 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, 58791 + ... + 59943.
It is an arithmetic number, because the mean of its divisors is an integer number (3572784).
Almost surely, 268450151 is an apocalyptic number.
68450151 is a deficient number, since it is larger than the sum of its proper divisors (45878937).
68450151 is a wasteful number, since it uses less digits than its factorization.
68450151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1431.
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 68450151 is about 8273.4606423189. The cubic root of 68450151 is about 409.0641972548.
The spelling of 68450151 in words is "sixty-eight million, four hundred fifty thousand, one hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •