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302112231012 = 22328392006417
BaseRepresentation
bin1000110010101110100…
…10101100111001100100
31001212210201110110222100
410121113102230321210
514422211212343022
6350442145332100
730553423410264
oct4312722547144
91055721413870
10302112231012
11107141529769
124a674937030
132264860c947
141089d8937a4
157cd2d401ac
hex46574ace64

302112231012 has 18 divisors (see below), whose sum is σ = 763672584038. Its totient is φ = 100704076992.

The previous prime is 302112231007. The next prime is 302112231013. The reversal of 302112231012 is 210132211203.

It can be written as a sum of positive squares in only one way, i.e., 230884094016 + 71228136996 = 480504^2 + 266886^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (302112231013) 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 5 ways as a sum of consecutive naturals, for example, 4196003173 + ... + 4196003244.

Almost surely, 2302112231012 is an apocalyptic number.

It is an amenable number.

302112231012 is an abundant number, since it is smaller than the sum of its proper divisors (461560353026).

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

302112231012 is a wasteful number, since it uses less digits than its factorization.

302112231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392006427 (or 8392006422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 302112231012 its reverse (210132211203), we get a palindrome (512244442215).

The spelling of 302112231012 in words is "three hundred two billion, one hundred twelve million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 8392006417 16784012834 25176019251 33568025668 50352038502 75528057753 100704077004 151056115506 302112231012