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312712068 = 22326059339
BaseRepresentation
bin10010101000111…
…001101110000100
3210210102102022110
4102220321232010
51120023241233
651010301020
710515002664
oct2250715604
9723372273
10312712068
11150577229
1288887770
134ca2bc36
142d7621a4
151c6c0663
hex12a39b84

312712068 has 12 divisors (see below), whose sum is σ = 729661520. Its totient is φ = 104237352.

The previous prime is 312712067. The next prime is 312712069. The reversal of 312712068 is 860217213.

312712068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (312712067) and next prime (312712069).

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

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (312712061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13029658 + ... + 13029681.

Almost surely, 2312712068 is an apocalyptic number.

It is an amenable number.

312712068 is an abundant number, since it is smaller than the sum of its proper divisors (416949452).

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

312712068 is a wasteful number, since it uses less digits than its factorization.

312712068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26059346 (or 26059344 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 312712068 is about 17683.6667012246. Note that the first 3 decimals coincide. The cubic root of 312712068 is about 678.7578737356.

The spelling of 312712068 in words is "three hundred twelve million, seven hundred twelve thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 26059339 52118678 78178017 104237356 156356034 312712068