Base | Representation |
---|---|
bin | 1001011010011111100… |
… | …0001110010000001100 |
3 | 120110110021010200120022 |
4 | 2112213320032100030 |
5 | 10122210430322333 |
6 | 202144202041312 |
7 | 14453554032020 |
oct | 2264770162014 |
9 | 513407120508 |
10 | 161730323468 |
11 | 6265360785a |
12 | 274171a9238 |
13 | 123358a246c |
14 | 7b83650380 |
15 | 4318830c98 |
hex | 25a7e0e40c |
161730323468 has 12 divisors (see below), whose sum is σ = 323460646992. Its totient is φ = 69312995760.
The previous prime is 161730323467. The next prime is 161730323483. The reversal of 161730323468 is 864323037161.
161730323468 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (161730323467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888041463 + ... + 2888041518.
It is an arithmetic number, because the mean of its divisors is an integer number (26955053916).
Almost surely, 2161730323468 is an apocalyptic number.
It is an amenable number.
161730323468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161730323468 is a wasteful number, since it uses less digits than its factorization.
161730323468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5776082992 (or 5776082990 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 44.
The spelling of 161730323468 in words is "one hundred sixty-one billion, seven hundred thirty million, three hundred twenty-three thousand, four hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •