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2315641487 is a prime number
BaseRepresentation
bin1000101000000101…
…1110001010001111
312222101021202221112
42022001132022033
514220301011422
61021440122235
7111245425235
oct21201361217
95871252845
102315641487
11a891347a5
1254760637b
132ab990783
1417d780955
15d8460ee2
hex8a05e28f

2315641487 has 2 divisors, whose sum is σ = 2315641488. Its totient is φ = 2315641486.

The previous prime is 2315641481. The next prime is 2315641529. The reversal of 2315641487 is 7841465132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2315641487 - 210 = 2315640463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315641481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157820743 + 1157820744.

It is an arithmetic number, because the mean of its divisors is an integer number (1157820744).

Almost surely, 22315641487 is an apocalyptic number.

2315641487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315641487 is an equidigital number, since it uses as much as digits as its factorization.

2315641487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 2315641487 is about 48121.1126949492. The cubic root of 2315641487 is about 1322.9916624673.

The spelling of 2315641487 in words is "two billion, three hundred fifteen million, six hundred forty-one thousand, four hundred eighty-seven".