Base | Representation |
---|---|
bin | 10010100101000010… |
… | …00111101001100101 |
3 | 221202010111101201201 |
4 | 21102201013221211 |
5 | 130411413122024 |
6 | 4325424522501 |
7 | 502113363625 |
oct | 112241075145 |
9 | 27663441651 |
10 | 9974348389 |
11 | 4259294635 |
12 | 1b24480431 |
13 | c2c5a87c5 |
14 | 6a89a6885 |
15 | 3d59e2744 |
hex | 252847a65 |
9974348389 has 4 divisors (see below), whose sum is σ = 10032003756. Its totient is φ = 9916693024.
The previous prime is 9974348381. The next prime is 9974348407. The reversal of 9974348389 is 9838434799.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9838434799 = 16981 ⋅579379.
It can be written as a sum of positive squares in 2 ways, for example, as 3841892289 + 6132456100 = 61983^2 + 78310^2 .
It is a cyclic number.
It is not a de Polignac number, because 9974348389 - 23 = 9974348381 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 9974348389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9974348381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28827424 + ... + 28827769.
It is an arithmetic number, because the mean of its divisors is an integer number (2508000939).
Almost surely, 29974348389 is an apocalyptic number.
It is an amenable number.
9974348389 is a deficient number, since it is larger than the sum of its proper divisors (57655367).
9974348389 is a wasteful number, since it uses less digits than its factorization.
9974348389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57655366.
The product of its digits is 47029248, while the sum is 64.
The square root of 9974348389 is about 99871.6595886941. The cubic root of 9974348389 is about 2152.5909552867.
The spelling of 9974348389 in words is "nine billion, nine hundred seventy-four million, three hundred forty-eight thousand, three hundred eighty-nine".
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