Base | Representation |
---|---|
bin | 10101111011011001… |
… | …010000010101000101 |
3 | 2020202220011200211210 |
4 | 111323121100111011 |
5 | 341210013221113 |
6 | 14452204122033 |
7 | 1462316442600 |
oct | 257331202505 |
9 | 66686150753 |
10 | 23545054533 |
11 | 9a92629a60 |
12 | 4691236319 |
13 | 22b2c8a640 |
14 | 11d5051337 |
15 | 92c0c76c3 |
hex | 57b650545 |
23545054533 has 48 divisors (see below), whose sum is σ = 42903314496. Its totient is φ = 11290325760.
The previous prime is 23545054457. The next prime is 23545054549. The reversal of 23545054533 is 33545054532.
It is not a de Polignac number, because 23545054533 - 29 = 23545054021 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 23545054491 and 23545054500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23545054583) 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 47 ways as a sum of consecutive naturals, for example, 539016 + ... + 581057.
It is an arithmetic number, because the mean of its divisors is an integer number (893819052).
Almost surely, 223545054533 is an apocalyptic number.
It is an amenable number.
23545054533 is a deficient number, since it is larger than the sum of its proper divisors (19358259963).
23545054533 is a wasteful number, since it uses less digits than its factorization.
23545054533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1120114 (or 1120107 counting only the distinct ones).
The product of its (nonzero) digits is 540000, while the sum is 39.
Subtracting 23545054533 from its reverse (33545054532), we obtain a palindrome (9999999999).
The spelling of 23545054533 in words is "twenty-three billion, five hundred forty-five million, fifty-four thousand, five hundred thirty-three".
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