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230960019889 = 4805832
BaseRepresentation
bin1101011100011001001…
…0100011100110110001
3211002011000000122120201
43113012102203212301
512241001231114024
6254033534435201
722454255530444
oct3270622434661
9732130018521
10230960019889
1189a49a013a5
1238918062b01
1318a19563981
14b26dc2b65b
15601b4d3744
hex35c64a39b1

230960019889 has 3 divisors (see below), whose sum is σ = 230960500473. Its totient is φ = 230959539306.

The previous prime is 230960019883. The next prime is 230960019949. The reversal of 230960019889 is 988910069032.

The square root of 230960019889 is 480583.

It is a perfect power (a square), and thus also a powerful number.

230960019889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 230960019889 - 23 = 230960019881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230960019881) 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 2 ways as a sum of consecutive naturals, for example, 240292 + ... + 720874.

It is an arithmetic number, because the mean of its divisors is an integer number (76986833491).

Almost surely, 2230960019889 is an apocalyptic number.

230960019889 is the 480583-rd square number.

230960019889 is the 240292-nd centered octagonal number.

It is an amenable number.

230960019889 is a deficient number, since it is larger than the sum of its proper divisors (480584).

230960019889 is an frugal number, since it uses more digits than its factorization.

230960019889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961166 (or 480583 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 230960019889 in words is "two hundred thirty billion, nine hundred sixty million, nineteen thousand, eight hundred eighty-nine".

Divisors: 1 480583 230960019889