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230012012 = 22223257861
BaseRepresentation
bin11011011010110…
…11010001101100
3121000210211011102
431231123101230
5432340341022
634453542232
75462032646
oct1555332154
9530724142
10230012012
1110892147a
1265044978
13388648a9
1422795896
15152d6a92
hexdb5b46c

230012012 has 12 divisors (see below), whose sum is σ = 404327616. Its totient is φ = 114489840.

The previous prime is 230012011. The next prime is 230012053. The reversal of 230012012 is 210210032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230011984 and 230012002.

It is not an unprimeable number, because it can be changed into a prime (230012011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128039 + ... + 129822.

It is an arithmetic number, because the mean of its divisors is an integer number (33693968).

Almost surely, 2230012012 is an apocalyptic number.

It is an amenable number.

230012012 is a deficient number, since it is larger than the sum of its proper divisors (174315604).

230012012 is a wasteful number, since it uses less digits than its factorization.

230012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258088 (or 258086 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 230012012 is about 15166.1469068449. The cubic root of 230012012 is about 612.7032335156.

Adding to 230012012 its reverse (210210032), we get a palindrome (440222044).

The spelling of 230012012 in words is "two hundred thirty million, twelve thousand, twelve".

Divisors: 1 2 4 223 446 892 257861 515722 1031444 57503003 115006006 230012012