Base | Representation |
---|---|
bin | 101000110101011000… |
… | …1000001110001100101 |
3 | 22101100022022011202121 |
4 | 1101222301001301211 |
5 | 2414042242130031 |
6 | 104141241305541 |
7 | 6223024441540 |
oct | 1215261016145 |
9 | 271308264677 |
10 | 87690583141 |
11 | 3420a059017 |
12 | 14bb34952b1 |
13 | 8366530b25 |
14 | 435c2db857 |
15 | 243374a011 |
hex | 146ac41c65 |
87690583141 has 16 divisors (see below), whose sum is σ = 102583248768. Its totient is φ = 73390464000.
The previous prime is 87690583103. The next prime is 87690583163. The reversal of 87690583141 is 14138509678.
It is not a de Polignac number, because 87690583141 - 211 = 87690581093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87690583171) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867441 + ... + 963241.
It is an arithmetic number, because the mean of its divisors is an integer number (6411453048).
Almost surely, 287690583141 is an apocalyptic number.
It is an amenable number.
87690583141 is a deficient number, since it is larger than the sum of its proper divisors (14892665627).
87690583141 is a wasteful number, since it uses less digits than its factorization.
87690583141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98892.
The product of its (nonzero) digits is 1451520, while the sum is 52.
The spelling of 87690583141 in words is "eighty-seven billion, six hundred ninety million, five hundred eighty-three thousand, one hundred forty-one".
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