Base | Representation |
---|---|
bin | 10101011100100001… |
… | …100110010101110001 |
3 | 2012102210122022211201 |
4 | 111130201212111301 |
5 | 334124422220040 |
6 | 14324543411201 |
7 | 1443430346461 |
oct | 253441462561 |
9 | 65383568751 |
10 | 23027148145 |
11 | 9847252251 |
12 | 45678b3b01 |
13 | 222c8a6061 |
14 | 1186357ba1 |
15 | 8eb8c3a9a |
hex | 55c866571 |
23027148145 has 4 divisors (see below), whose sum is σ = 27632577780. Its totient is φ = 18421718512.
The previous prime is 23027148143. The next prime is 23027148187. The reversal of 23027148145 is 54184172032.
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 16692898401 + 6334249744 = 129201^2 + 79588^2 .
It is a cyclic number.
It is not a de Polignac number, because 23027148145 - 21 = 23027148143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23027148143) 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, 2302714810 + ... + 2302714819.
It is an arithmetic number, because the mean of its divisors is an integer number (6908144445).
Almost surely, 223027148145 is an apocalyptic number.
It is an amenable number.
23027148145 is a deficient number, since it is larger than the sum of its proper divisors (4605429635).
23027148145 is an equidigital number, since it uses as much as digits as its factorization.
23027148145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4605429634.
The product of its (nonzero) digits is 53760, while the sum is 37.
The spelling of 23027148145 in words is "twenty-three billion, twenty-seven million, one hundred forty-eight thousand, one hundred forty-five".
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