Base | Representation |
---|---|
bin | 10011111001011110000001… |
… | …111001000001111101011111 |
3 | 102110212002010100120020201012 |
4 | 103321132001321001331133 |
5 | 42432244324243221403 |
6 | 510042304322005435 |
7 | 24301354233331655 |
oct | 2371360171017537 |
9 | 373762110506635 |
10 | 87512137867103 |
11 | 2597a764431104 |
12 | 9994531aa687b |
13 | 39aa4891b16a1 |
14 | 1787878078dd5 |
15 | a1b5d1670ed8 |
hex | 4f9781e41f5f |
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".
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