Base | Representation |
---|---|
bin | 10101011011001110… |
… | …100110101001010101 |
3 | 2012101021200222021000 |
4 | 111123032212221111 |
5 | 334103340011240 |
6 | 14322445213513 |
7 | 1443044413041 |
oct | 253316465125 |
9 | 65337628230 |
10 | 23005391445 |
11 | 9835a42103 |
12 | 4560561299 |
13 | 222822917a |
14 | 11834d3021 |
15 | 8e9a27430 |
hex | 55b3a6a55 |
23005391445 has 64 divisors (see below), whose sum is σ = 41547018240. Its totient is φ = 12076444224.
The previous prime is 23005391441. The next prime is 23005391467. The reversal of 23005391445 is 54419350032.
It is not a de Polignac number, because 23005391445 - 22 = 23005391441 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23005391441) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 2317182 + ... + 2327088.
It is an arithmetic number, because the mean of its divisors is an integer number (649172160).
Almost surely, 223005391445 is an apocalyptic number.
It is an amenable number.
23005391445 is a deficient number, since it is larger than the sum of its proper divisors (18541626795).
23005391445 is a wasteful number, since it uses less digits than its factorization.
23005391445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10191 (or 10185 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 36.
The spelling of 23005391445 in words is "twenty-three billion, five million, three hundred ninety-one thousand, four hundred forty-five".
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