Base | Representation |
---|---|
bin | 1001011000111011101… |
… | …0001101010001110100 |
3 | 120102101001212211221021 |
4 | 2112032322031101310 |
5 | 10120331210211424 |
6 | 202034435230524 |
7 | 14440306250533 |
oct | 2261672152164 |
9 | 512331784837 |
10 | 161311413364 |
11 | 624590a6462 |
12 | 2731aa48444 |
13 | 12299b6c86a |
14 | 7b43b6631a |
15 | 42e1b844e4 |
hex | 258ee8d474 |
161311413364 has 12 divisors (see below), whose sum is σ = 284355521604. Its totient is φ = 80066978624.
The previous prime is 161311413359. The next prime is 161311413377. The reversal of 161311413364 is 463314113161.
161311413364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 85112227600 + 76199185764 = 291740^2 + 276042^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147181399 + ... + 147182494.
It is an arithmetic number, because the mean of its divisors is an integer number (23696293467).
Almost surely, 2161311413364 is an apocalyptic number.
It is an amenable number.
161311413364 is a deficient number, since it is larger than the sum of its proper divisors (123044108240).
161311413364 is a wasteful number, since it uses less digits than its factorization.
161311413364 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294364034 (or 294364032 counting only the distinct ones).
The product of its digits is 15552, while the sum is 34.
The spelling of 161311413364 in words is "one hundred sixty-one billion, three hundred eleven million, four hundred thirteen thousand, three hundred sixty-four".
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