Base | Representation |
---|---|
bin | 101000011100111010… |
… | …0010011010110010011 |
3 | 22022020002000121121120 |
4 | 1100321310103112103 |
5 | 2410402023423341 |
6 | 103523543453323 |
7 | 6163463234214 |
oct | 1207164232623 |
9 | 268202017546 |
10 | 86869357971 |
11 | 33928540430 |
12 | 14a04457243 |
13 | 8265358c86 |
14 | 42c120940b |
15 | 23d65ce066 |
hex | 1439d13593 |
86869357971 has 16 divisors (see below), whose sum is σ = 126360543360. Its totient is φ = 52645965120.
The previous prime is 86869357969. The next prime is 86869357999. The reversal of 86869357971 is 17975396868.
It is not a de Polignac number, because 86869357971 - 21 = 86869357969 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 86869357896 and 86869357905.
It is not an unprimeable number, because it can be changed into a prime (86869357901) 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, 1251660 + ... + 1319238.
It is an arithmetic number, because the mean of its divisors is an integer number (7897533960).
Almost surely, 286869357971 is an apocalyptic number.
86869357971 is a deficient number, since it is larger than the sum of its proper divisors (39491185389).
86869357971 is a wasteful number, since it uses less digits than its factorization.
86869357971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106546.
The product of its digits is 137168640, while the sum is 69.
The spelling of 86869357971 in words is "eighty-six billion, eight hundred sixty-nine million, three hundred fifty-seven thousand, nine hundred seventy-one".
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