Base | Representation |
---|---|
bin | 100110001101010100… |
… | …1001100010100011111 |
3 | 21211210022011012122122 |
4 | 1030122221030110133 |
5 | 2321020123301412 |
6 | 101405513533155 |
7 | 5633211155513 |
oct | 1143251142437 |
9 | 254708135578 |
10 | 82051384607 |
11 | 3188595a765 |
12 | 13a9aa141bb |
13 | 797813086a |
14 | 3d853ac143 |
15 | 2203631572 |
hex | 131aa4c51f |
82051384607 has 4 divisors (see below), whose sum is σ = 82052131536. Its totient is φ = 82050637680.
The previous prime is 82051384589. The next prime is 82051384621. The reversal of 82051384607 is 70648315028.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 82051384607 - 28 = 82051384351 is a prime.
It is a super-4 number, since 4×820513846074 (a number of 45 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82051384507) 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, 172718 + ... + 440379.
It is an arithmetic number, because the mean of its divisors is an integer number (20513032884).
Almost surely, 282051384607 is an apocalyptic number.
82051384607 is a deficient number, since it is larger than the sum of its proper divisors (746929).
82051384607 is a wasteful number, since it uses less digits than its factorization.
82051384607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746928.
The product of its (nonzero) digits is 322560, while the sum is 44.
The spelling of 82051384607 in words is "eighty-two billion, fifty-one million, three hundred eighty-four thousand, six hundred seven".
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