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306012012 = 22325501001
BaseRepresentation
bin10010001111010…
…101111101101100
3210022211000120020
4102033111331230
51111314341022
650210522140
710404026205
oct2217257554
9708730506
10306012012
11147810399
1286596350
134b5243c7
142c8da5ac
151bcea35c
hex123d5f6c

306012012 has 12 divisors (see below), whose sum is σ = 714028056. Its totient is φ = 102004000.

The previous prime is 306011963. The next prime is 306012017. The reversal of 306012012 is 210210603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 306011982 and 306012000.

It is not an unprimeable number, because it can be changed into a prime (306012017) 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, 12750489 + ... + 12750512.

It is an arithmetic number, because the mean of its divisors is an integer number (59502338).

Almost surely, 2306012012 is an apocalyptic number.

It is an amenable number.

306012012 is an abundant number, since it is smaller than the sum of its proper divisors (408016044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306012012 is a wasteful number, since it uses less digits than its factorization.

306012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25501008 (or 25501006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 306012012 is about 17493.1990213340. The cubic root of 306012012 is about 673.8752274851.

Adding to 306012012 its reverse (210210603), we get a palindrome (516222615).

The spelling of 306012012 in words is "three hundred six million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 25501001 51002002 76503003 102004004 153006006 306012012