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312202013034320 = 2453902525162929
BaseRepresentation
bin100011011111100100011001…
…0000101011100011101010000
31111221102012222002012010002122
41012333020302011130131100
5311410104210314044240
63023555342542433412
7122521564632116243
oct10677106205343520
91457365862163078
10312202013034320
11905281482a4a52
122b022a12592868
13105286a61a2926
14571492d9c525a
1526161567dd4b5
hex11bf23215c750

312202013034320 has 20 divisors (see below), whose sum is σ = 725869680304980. Its totient is φ = 124880805213696.

The previous prime is 312202013034313. The next prime is 312202013034323. The reversal of 312202013034320 is 23430310202213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175498587817744 + 136703425216576 = 13247588^2 + 11692024^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 312202013034320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202013034323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951262581385 + ... + 1951262581544.

It is an arithmetic number, because the mean of its divisors is an integer number (36293484015249).

Almost surely, 2312202013034320 is an apocalyptic number.

It is an amenable number.

312202013034320 is an abundant number, since it is smaller than the sum of its proper divisors (413667667270660).

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

312202013034320 is a wasteful number, since it uses less digits than its factorization.

312202013034320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902525162942 (or 3902525162936 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 312202013034320 its reverse (23430310202213), we get a palindrome (335632323236533).

The spelling of 312202013034320 in words is "three hundred twelve trillion, two hundred two billion, thirteen million, thirty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3902525162929 7805050325858 15610100651716 19512625814645 31220201303432 39025251629290 62440402606864 78050503258580 156101006517160 312202013034320