Base | Representation |
---|---|
bin | 101000011001111011… |
… | …1010000100110110000 |
3 | 22021222010001202220100 |
4 | 1100303313100212300 |
5 | 2410200441013442 |
6 | 103510014512400 |
7 | 6161141216241 |
oct | 1206367204660 |
9 | 267863052810 |
10 | 86769469872 |
11 | 33887115a88 |
12 | 14996b05700 |
13 | 824a7543a7 |
14 | 42b1c46cc8 |
15 | 23cc94c84c |
hex | 1433dd09b0 |
86769469872 has 60 divisors (see below), whose sum is σ = 243142876600. Its totient is φ = 28886367744.
The previous prime is 86769469861. The next prime is 86769469883. The reversal of 86769469872 is 27896496768.
86769469872 is a `hidden beast` number, since 86 + 7 + 6 + 9 + 469 + 87 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (86769469861) and next prime (86769469883).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a self number, because there is not a number n which added to its sum of digits gives 86769469872.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269497 + ... + 496152.
Almost surely, 286769469872 is an apocalyptic number.
It is an amenable number.
86769469872 is an abundant number, since it is smaller than the sum of its proper divisors (156373406728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86769469872 is a wasteful number, since it uses less digits than its factorization.
86769469872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 766450 (or 766441 counting only the distinct ones).
The product of its digits is 438939648, while the sum is 72.
The spelling of 86769469872 in words is "eighty-six billion, seven hundred sixty-nine million, four hundred sixty-nine thousand, eight hundred seventy-two".
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