Base | Representation |
---|---|
bin | 10101011101001100… |
… | …100111001011001101 |
3 | 2012110120212012001222 |
4 | 111131030213023031 |
5 | 334140314030012 |
6 | 14330025213125 |
7 | 1443625241126 |
oct | 253514471315 |
9 | 65416765058 |
10 | 23038423757 |
11 | 9852653838 |
12 | 456b6311a5 |
13 | 223202340b |
14 | 1187a5104d |
15 | 8ec89e972 |
hex | 55d3272cd |
23038423757 has 4 divisors (see below), whose sum is σ = 23382280896. Its totient is φ = 22694566620.
The previous prime is 23038423753. The next prime is 23038423769. The reversal of 23038423757 is 75732483032.
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 23038423757 - 22 = 23038423753 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 (23038423753) 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, 171928469 + ... + 171928602.
It is an arithmetic number, because the mean of its divisors is an integer number (5845570224).
Almost surely, 223038423757 is an apocalyptic number.
It is an amenable number.
23038423757 is a deficient number, since it is larger than the sum of its proper divisors (343857139).
23038423757 is an equidigital number, since it uses as much as digits as its factorization.
23038423757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343857138.
The product of its (nonzero) digits is 846720, while the sum is 44.
The spelling of 23038423757 in words is "twenty-three billion, thirty-eight million, four hundred twenty-three thousand, seven hundred fifty-seven".
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