Base | Representation |
---|---|
bin | 10101101010000110… |
… | …101000011111010001 |
3 | 2020000200022101001211 |
4 | 111222012220133101 |
5 | 340111232210311 |
6 | 14403322300121 |
7 | 1452164620303 |
oct | 255206503721 |
9 | 66020271054 |
10 | 23254960081 |
11 | 9953900781 |
12 | 4610057641 |
13 | 2267b4a412 |
14 | 11a86d9973 |
15 | 9118c3821 |
hex | 56a1a87d1 |
23254960081 has 4 divisors (see below), whose sum is σ = 23573521252. Its totient is φ = 22936398912.
The previous prime is 23254960009. The next prime is 23254960117. The reversal of 23254960081 is 18006945232.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4380321856 + 18874638225 = 66184^2 + 137385^2 .
It is a cyclic number.
It is not a de Polignac number, because 23254960081 - 27 = 23254959953 is a prime.
It is a super-2 number, since 2×232549600812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23254960381) 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 3 ways as a sum of consecutive naturals, for example, 159280476 + ... + 159280621.
It is an arithmetic number, because the mean of its divisors is an integer number (5893380313).
Almost surely, 223254960081 is an apocalyptic number.
It is an amenable number.
23254960081 is a deficient number, since it is larger than the sum of its proper divisors (318561171).
23254960081 is an equidigital number, since it uses as much as digits as its factorization.
23254960081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318561170.
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 23254960081 in words is "twenty-three billion, two hundred fifty-four million, nine hundred sixty thousand, eighty-one".
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