Base | Representation |
---|---|
bin | 101000101100011001… |
… | …1101001001110111110 |
3 | 22100120022100100102010 |
4 | 1101120303221032332 |
5 | 2412433123413131 |
6 | 104051315312050 |
7 | 6212405421360 |
oct | 1213063511676 |
9 | 270508310363 |
10 | 87389279166 |
11 | 34074a73972 |
12 | 14b2a5ab626 |
13 | 8318c97657 |
14 | 43302a8d30 |
15 | 241707eb46 |
hex | 1458ce93be |
87389279166 has 32 divisors (see below), whose sum is σ = 200901547008. Its totient is φ = 24824037600.
The previous prime is 87389279129. The next prime is 87389279191. The reversal of 87389279166 is 66197298378.
It is a super-2 number, since 2×873892791662 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87389279097 and 87389279106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6006310 + ... + 6020841.
It is an arithmetic number, because the mean of its divisors is an integer number (6278173344).
Almost surely, 287389279166 is an apocalyptic number.
87389279166 is an abundant number, since it is smaller than the sum of its proper divisors (113512267842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87389279166 is a wasteful number, since it uses less digits than its factorization.
87389279166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12027336.
The product of its digits is 54867456, while the sum is 66.
The spelling of 87389279166 in words is "eighty-seven billion, three hundred eighty-nine million, two hundred seventy-nine thousand, one hundred sixty-six".
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