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23027148145 = 54605429629
BaseRepresentation
bin10101011100100001…
…100110010101110001
32012102210122022211201
4111130201212111301
5334124422220040
614324543411201
71443430346461
oct253441462561
965383568751
1023027148145
119847252251
1245678b3b01
13222c8a6061
141186357ba1
158eb8c3a9a
hex55c866571

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".

Divisors: 1 5 4605429629 23027148145