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87036082481 is a prime number
BaseRepresentation
bin101000100001111000…
…0010011100100110001
322022122200202002122102
41101003300103210301
52411222214114411
6103552301150145
76200556331415
oct1210360234461
9268580662572
1087036082481
1133a03665a87
1214a5025b355
138290a6242a
1442d9408d45
1523e6063d3b
hex1443c13931

87036082481 has 2 divisors, whose sum is σ = 87036082482. Its totient is φ = 87036082480.

The previous prime is 87036082429. The next prime is 87036082489. The reversal of 87036082481 is 18428063078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52434130225 + 34601952256 = 228985^2 + 186016^2 .

It is a cyclic number.

It is not a de Polignac number, because 87036082481 - 226 = 86968973617 is a prime.

It is a super-2 number, since 2×870360824812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87036082489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43518041240 + 43518041241.

It is an arithmetic number, because the mean of its divisors is an integer number (43518041241).

Almost surely, 287036082481 is an apocalyptic number.

It is an amenable number.

87036082481 is a deficient number, since it is larger than the sum of its proper divisors (1).

87036082481 is an equidigital number, since it uses as much as digits as its factorization.

87036082481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 87036082481 in words is "eighty-seven billion, thirty-six million, eighty-two thousand, four hundred eighty-one".