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315145433087 is a prime number
BaseRepresentation
bin1001001011000000010…
…00011010111111111111
31010010110000201202010022
410211200020122333333
520130404212324322
6400435324202355
731524411661052
oct4454010327777
91103400652108
10315145433087
1111171a421351
12510b16993bb
1323944837c34
14113787c2a99
1582e714e942
hex496021afff

315145433087 has 2 divisors, whose sum is σ = 315145433088. Its totient is φ = 315145433086.

The previous prime is 315145433039. The next prime is 315145433189. The reversal of 315145433087 is 780334541513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315145433087 - 218 = 315145170943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315145430087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157572716543 + 157572716544.

It is an arithmetic number, because the mean of its divisors is an integer number (157572716544).

Almost surely, 2315145433087 is an apocalyptic number.

315145433087 is a deficient number, since it is larger than the sum of its proper divisors (1).

315145433087 is an equidigital number, since it uses as much as digits as its factorization.

315145433087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 315145433087 in words is "three hundred fifteen billion, one hundred forty-five million, four hundred thirty-three thousand, eighty-seven".