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2315541541 is a prime number
BaseRepresentation
bin1000101000000100…
…0101110000100101
312222101002200211211
42022001011300211
514220234312131
61021434031421
7111244530655
oct21201056045
95871080754
102315541541
11a890766a5
12547578571
132ab957131
1417d756365
15d84415b1
hex8a045c25

2315541541 has 2 divisors, whose sum is σ = 2315541542. Its totient is φ = 2315541540.

The previous prime is 2315541523. The next prime is 2315541551. The reversal of 2315541541 is 1451455132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1737139041 + 578402500 = 41679^2 + 24050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315541541 - 27 = 2315541413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315541551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157770770 + 1157770771.

It is an arithmetic number, because the mean of its divisors is an integer number (1157770771).

Almost surely, 22315541541 is an apocalyptic number.

It is an amenable number.

2315541541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315541541 is an equidigital number, since it uses as much as digits as its factorization.

2315541541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 31.

The square root of 2315541541 is about 48120.0741998597. The cubic root of 2315541541 is about 1322.9726281985.

Adding to 2315541541 its reverse (1451455132), we get a palindrome (3766996673).

The spelling of 2315541541 in words is "two billion, three hundred fifteen million, five hundred forty-one thousand, five hundred forty-one".