Base | Representation |
---|---|
bin | 101000100100010001… |
… | …0100111100001110011 |
3 | 22022212021211122111210 |
4 | 1101020202213201303 |
5 | 2411403243132100 |
6 | 104004250211203 |
7 | 6202553004651 |
oct | 1211042474163 |
9 | 268767748453 |
10 | 87116380275 |
11 | 33a44a1a9a1 |
12 | 14a73123b03 |
13 | 82a4598212 |
14 | 4305d4bdd1 |
15 | 23ed125c50 |
hex | 14488a7873 |
87116380275 has 12 divisors (see below), whose sum is σ = 144032415512. Its totient is φ = 46462069440.
The previous prime is 87116380243. The next prime is 87116380279. The reversal of 87116380275 is 57208361178.
It is a happy number.
It is not a de Polignac number, because 87116380275 - 25 = 87116380243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87116380279) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580775794 + ... + 580775943.
Almost surely, 287116380275 is an apocalyptic number.
87116380275 is a deficient number, since it is larger than the sum of its proper divisors (56916035237).
87116380275 is a wasteful number, since it uses less digits than its factorization.
87116380275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1161551750 (or 1161551745 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 48.
The spelling of 87116380275 in words is "eighty-seven billion, one hundred sixteen million, three hundred eighty thousand, two hundred seventy-five".
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