Base | Representation |
---|---|
bin | 10101110111100010… |
… | …111101100110010101 |
3 | 2020121101200111111012 |
4 | 111313202331212111 |
5 | 341042001143024 |
6 | 14441540222005 |
7 | 1460603606126 |
oct | 256742754625 |
9 | 66541614435 |
10 | 23480490389 |
11 | 9a5a140a64 |
12 | 467369a905 |
13 | 22a27a30c5 |
14 | 11ca64604d |
15 | 9265c250e |
hex | 5778bd995 |
23480490389 has 4 divisors (see below), whose sum is σ = 24861695724. Its totient is φ = 22099285056.
The previous prime is 23480490379. The next prime is 23480490419. The reversal of 23480490389 is 98309408432.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15390387364 + 8090103025 = 124058^2 + 89945^2 .
It is a cyclic number.
It is not a de Polignac number, because 23480490389 - 216 = 23480424853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23480490379) 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, 690602642 + ... + 690602675.
It is an arithmetic number, because the mean of its divisors is an integer number (6215423931).
Almost surely, 223480490389 is an apocalyptic number.
It is an amenable number.
23480490389 is a deficient number, since it is larger than the sum of its proper divisors (1381205335).
23480490389 is a wasteful number, since it uses less digits than its factorization.
23480490389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1381205334.
The product of its (nonzero) digits is 1492992, while the sum is 50.
The spelling of 23480490389 in words is "twenty-three billion, four hundred eighty million, four hundred ninety thousand, three hundred eighty-nine".
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