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302112131201 = 1510120006101
BaseRepresentation
bin1000110010101110100…
…10010100100010000001
31001212210201021102001122
410121113102110202001
514422211201144301
6350442143242025
730553422513266
oct4312722244201
91055721242048
10302112131201
11107141470781
124a6748a9315
13226485a639a
141089d86926d
157cd2d2081b
hex4657494881

302112131201 has 4 divisors (see below), whose sum is σ = 302132152404. Its totient is φ = 302092110000.

The previous prime is 302112131197. The next prime is 302112131207. The reversal of 302112131201 is 102131211203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141619752976 + 160492378225 = 376324^2 + 400615^2 .

It is a cyclic number.

It is not a de Polignac number, because 302112131201 - 22 = 302112131197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302112131201.

It is not an unprimeable number, because it can be changed into a prime (302112131207) 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, 9987950 + ... + 10018151.

It is an arithmetic number, because the mean of its divisors is an integer number (75533038101).

Almost surely, 2302112131201 is an apocalyptic number.

It is an amenable number.

302112131201 is a deficient number, since it is larger than the sum of its proper divisors (20021203).

302112131201 is a wasteful number, since it uses less digits than its factorization.

302112131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20021202.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 302112131201 its reverse (102131211203), we get a palindrome (404243342404).

The spelling of 302112131201 in words is "three hundred two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 15101 20006101 302112131201