Base | Representation |
---|---|
bin | 101000010111100000… |
… | …1100100100010111100 |
3 | 22021202110022020210220 |
4 | 1100233001210202330 |
5 | 2410014200140113 |
6 | 103453554501340 |
7 | 6156134165226 |
oct | 1205701444274 |
9 | 267673266726 |
10 | 86688286908 |
11 | 33845307023 |
12 | 14973894850 |
13 | 823699b732 |
14 | 42a5153416 |
15 | 23c5763523 |
hex | 142f0648bc |
86688286908 has 12 divisors (see below), whose sum is σ = 202272669480. Its totient is φ = 28896095632.
The previous prime is 86688286907. The next prime is 86688286921. The reversal of 86688286908 is 80968288668.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86688286907) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3612011943 + ... + 3612011966.
It is an arithmetic number, because the mean of its divisors is an integer number (16856055790).
Almost surely, 286688286908 is an apocalyptic number.
It is an amenable number.
86688286908 is an abundant number, since it is smaller than the sum of its proper divisors (115584382572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86688286908 is a wasteful number, since it uses less digits than its factorization.
86688286908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7224023916 (or 7224023914 counting only the distinct ones).
The product of its (nonzero) digits is 127401984, while the sum is 69.
The spelling of 86688286908 in words is "eighty-six billion, six hundred eighty-eight million, two hundred eighty-six thousand, nine hundred eight".
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