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87494261159 is a prime number
BaseRepresentation
bin101000101111100010…
…0000111100110100111
322100211121212222122002
41101133010013212213
52413142012324114
6104105545355515
76215121643334
oct1213704074647
9270747788562
1087494261159
1134119258448
1214b59798b9b
138334963986
1443401d598b
1524213ba7de
hex145f1079a7

87494261159 has 2 divisors, whose sum is σ = 87494261160. Its totient is φ = 87494261158.

The previous prime is 87494261149. The next prime is 87494261237. The reversal of 87494261159 is 95116249478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87494261159 - 216 = 87494195623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87494261149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43747130579 + 43747130580.

It is an arithmetic number, because the mean of its divisors is an integer number (43747130580).

Almost surely, 287494261159 is an apocalyptic number.

87494261159 is a deficient number, since it is larger than the sum of its proper divisors (1).

87494261159 is an equidigital number, since it uses as much as digits as its factorization.

87494261159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The spelling of 87494261159 in words is "eighty-seven billion, four hundred ninety-four million, two hundred sixty-one thousand, one hundred fifty-nine".