Base | Representation |
---|---|
bin | 11100011100011110… |
… | …100111101110100101 |
3 | 2220211120012211000001 |
4 | 130130132213232211 |
5 | 1000022343411130 |
6 | 22010413021301 |
7 | 2130605322625 |
oct | 343436475645 |
9 | 86746184001 |
10 | 30542560165 |
11 | 11a5352a567 |
12 | 5b04784831 |
13 | 2b598cc110 |
14 | 169a51c885 |
15 | bdb59c6ca |
hex | 71c7a7ba5 |
30542560165 has 8 divisors (see below), whose sum is σ = 39470385528. Its totient is φ = 22554505920.
The previous prime is 30542560129. The next prime is 30542560183. The reversal of 30542560165 is 56106524503.
It can be written as a sum of positive squares in 4 ways, for example, as 716579361 + 29825980804 = 26769^2 + 172702^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30542560165 - 213 = 30542551973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234942706 + ... + 234942835.
It is an arithmetic number, because the mean of its divisors is an integer number (4933798191).
Almost surely, 230542560165 is an apocalyptic number.
It is an amenable number.
30542560165 is a deficient number, since it is larger than the sum of its proper divisors (8927825363).
30542560165 is a wasteful number, since it uses less digits than its factorization.
30542560165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469885559.
The product of its (nonzero) digits is 108000, while the sum is 37.
The spelling of 30542560165 in words is "thirty billion, five hundred forty-two million, five hundred sixty thousand, one hundred sixty-five".
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