Base | Representation |
---|---|
bin | 100110100001000001… |
… | …0101011111110010110 |
3 | 21220111100221012220001 |
4 | 1031002002223332112 |
5 | 2323343332114121 |
6 | 101555245201514 |
7 | 5655455423635 |
oct | 1150202537626 |
9 | 256440835801 |
10 | 82712379286 |
11 | 32094a88859 |
12 | 1404426029a |
13 | 7a52064084 |
14 | 40090b151c |
15 | 224169b991 |
hex | 13420abf96 |
82712379286 has 16 divisors (see below), whose sum is σ = 124334774928. Its totient is φ = 41267491200.
The previous prime is 82712379283. The next prime is 82712379287. The reversal of 82712379286 is 68297321728.
It is a happy number.
It is a super-2 number, since 2×827123792862 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82712379283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8323741 + ... + 8333671.
It is an arithmetic number, because the mean of its divisors is an integer number (7770923433).
Almost surely, 282712379286 is an apocalyptic number.
82712379286 is a deficient number, since it is larger than the sum of its proper divisors (41622395642).
82712379286 is a wasteful number, since it uses less digits than its factorization.
82712379286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18447.
The product of its digits is 4064256, while the sum is 55.
The spelling of 82712379286 in words is "eighty-two billion, seven hundred twelve million, three hundred seventy-nine thousand, two hundred eighty-six".
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