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230030012 = 2257507503
BaseRepresentation
bin11011011010111…
…11101010111100
3121000211201212002
431231133222330
5432341430022
634454201432
75462136302
oct1555375274
9530751762
10230030012
11108933a53
1265053278
133886cb44
142279c272
15152dc092
hexdb5fabc

230030012 has 6 divisors (see below), whose sum is σ = 402552528. Its totient is φ = 115015004.

The previous prime is 230029993. The next prime is 230030039. The reversal of 230030012 is 210030032.

230030012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230029975 and 230030002.

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 as a sum of consecutive naturals, namely, 28753748 + ... + 28753755.

It is an arithmetic number, because the mean of its divisors is an integer number (67092088).

Almost surely, 2230030012 is an apocalyptic number.

It is an amenable number.

230030012 is a deficient number, since it is larger than the sum of its proper divisors (172522516).

230030012 is a wasteful number, since it uses less digits than its factorization.

230030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57507507 (or 57507505 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 230030012 is about 15166.7403221655. The cubic root of 230030012 is about 612.7192158266.

Adding to 230030012 its reverse (210030032), we get a palindrome (440060044).

The spelling of 230030012 in words is "two hundred thirty million, thirty thousand, twelve".

Divisors: 1 2 4 57507503 115015006 230030012