Base | Representation |
---|---|
bin | 10101011101010011… |
… | …000101010011000101 |
3 | 2012110201001100212222 |
4 | 111131103011103011 |
5 | 334141232320010 |
6 | 14330125422125 |
7 | 1443645534350 |
oct | 253523052305 |
9 | 65421040788 |
10 | 23040120005 |
11 | 98536021a1 |
12 | 457010a945 |
13 | 2232498506 |
14 | 1187d73297 |
15 | 8ecad7355 |
hex | 55d4c54c5 |
23040120005 has 32 divisors (see below), whose sum is σ = 33338511360. Its totient is φ = 14932503360.
The previous prime is 23040119983. The next prime is 23040120007. The reversal of 23040120005 is 50002104032.
It is not a de Polignac number, because 23040120005 - 216 = 23040054469 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23040120007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246422 + ... + 326808.
It is an arithmetic number, because the mean of its divisors is an integer number (1041828480).
Almost surely, 223040120005 is an apocalyptic number.
It is an amenable number.
23040120005 is a deficient number, since it is larger than the sum of its proper divisors (10298391355).
23040120005 is a wasteful number, since it uses less digits than its factorization.
23040120005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80849.
The product of its (nonzero) digits is 240, while the sum is 17.
Adding to 23040120005 its reverse (50002104032), we get a palindrome (73042224037).
The spelling of 23040120005 in words is "twenty-three billion, forty million, one hundred twenty thousand, five".
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