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87512137867103 is a prime number
BaseRepresentation
bin10011111001011110000001…
…111001000001111101011111
3102110212002010100120020201012
4103321132001321001331133
542432244324243221403
6510042304322005435
724301354233331655
oct2371360171017537
9373762110506635
1087512137867103
112597a764431104
129994531aa687b
1339aa4891b16a1
141787878078dd5
15a1b5d1670ed8
hex4f9781e41f5f

87512137867103 has 2 divisors, whose sum is σ = 87512137867104. Its totient is φ = 87512137867102.

The previous prime is 87512137867067. The next prime is 87512137867159. The reversal of 87512137867103 is 30176873121578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87512137867103 - 226 = 87512070758239 is a prime.

It is a super-2 number, since 2×875121378671032 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87512127867103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43756068933551 + 43756068933552.

It is an arithmetic number, because the mean of its divisors is an integer number (43756068933552).

Almost surely, 287512137867103 is an apocalyptic number.

87512137867103 is a deficient number, since it is larger than the sum of its proper divisors (1).

87512137867103 is an equidigital number, since it uses as much as digits as its factorization.

87512137867103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 87512137867103 in words is "eighty-seven trillion, five hundred twelve billion, one hundred thirty-seven million, eight hundred sixty-seven thousand, one hundred three".