Base | Representation |
---|---|
bin | 10101101010011110… |
… | …110001001010011101 |
3 | 2020001010012211001201 |
4 | 111222132301022131 |
5 | 340114342141234 |
6 | 14404110035501 |
7 | 1452302451316 |
oct | 255236611235 |
9 | 66033184051 |
10 | 23261287069 |
11 | 9957432299 |
12 | 46121a8b91 |
13 | 22692541b7 |
14 | 11a94a560d |
15 | 912223314 |
hex | 56a7b129d |
23261287069 has 4 divisors (see below), whose sum is σ = 24011651200. Its totient is φ = 22510922940.
The previous prime is 23261287067. The next prime is 23261287097. The reversal of 23261287069 is 96078216232.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23261287069 - 21 = 23261287067 is a prime.
It is a super-3 number, since 3×232612870693 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23261287067) 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 3 ways as a sum of consecutive naturals, for example, 375182019 + ... + 375182080.
It is an arithmetic number, because the mean of its divisors is an integer number (6002912800).
Almost surely, 223261287069 is an apocalyptic number.
It is an amenable number.
23261287069 is a deficient number, since it is larger than the sum of its proper divisors (750364131).
23261287069 is an equidigital number, since it uses as much as digits as its factorization.
23261287069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 750364130.
The product of its (nonzero) digits is 435456, while the sum is 46.
The spelling of 23261287069 in words is "twenty-three billion, two hundred sixty-one million, two hundred eighty-seven thousand, sixty-nine".
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