Search a number
-
+
230721584512 = 278232190173
BaseRepresentation
bin1101011011100000010…
…0111111110110000000
3211001112101100212201211
43112320010333312000
512240004211201022
6253554140135504
722445332052536
oct3267004776600
9731471325654
10230721584512
1189937357371
1238870237594
13189ac040053
14b24a2c2156
1560055d5e77
hex35b813fd80

230721584512 has 32 divisors (see below), whose sum is σ = 460199360880. Its totient is φ = 115220568576.

The previous prime is 230721584393. The next prime is 230721584557. The reversal of 230721584512 is 215485127032.

230721584512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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, 989743 + ... + 1200430.

Almost surely, 2230721584512 is an apocalyptic number.

It is an amenable number.

230721584512 is a deficient number, since it is larger than the sum of its proper divisors (229477776368).

230721584512 is an equidigital number, since it uses as much as digits as its factorization.

230721584512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191010 (or 2190998 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 230721584512 in words is "two hundred thirty billion, seven hundred twenty-one million, five hundred eighty-four thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 823 1646 3292 6584 13168 26336 52672 105344 2190173 4380346 8760692 17521384 35042768 70085536 140171072 280342144 1802512379 3605024758 7210049516 14420099032 28840198064 57680396128 115360792256 230721584512