Base | Representation |
---|---|
bin | 100110001100111010… |
… | …1100001101101100100 |
3 | 21211202100200002221221 |
4 | 1030121311201231210 |
5 | 2321003141400430 |
6 | 101404311350124 |
7 | 5632655066152 |
oct | 1143165415544 |
9 | 254670602857 |
10 | 82037840740 |
11 | 31879249a89 |
12 | 13a96382344 |
13 | 797539ac3b |
14 | 3d836843d2 |
15 | 220235857a |
hex | 1319d61b64 |
82037840740 has 24 divisors (see below), whose sum is σ = 178220138040. Its totient is φ = 31683579648.
The previous prime is 82037840719. The next prime is 82037840747. The reversal of 82037840740 is 4704873028.
It can be written as a sum of positive squares in 4 ways, for example, as 12877256484 + 69160584256 = 113478^2 + 262984^2 .
It is not an unprimeable number, because it can be changed into a prime (82037840747) 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, 70721697 + ... + 70722856.
It is an arithmetic number, because the mean of its divisors is an integer number (7425839085).
Almost surely, 282037840740 is an apocalyptic number.
It is an amenable number.
82037840740 is an abundant number, since it is smaller than the sum of its proper divisors (96182297300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82037840740 is a wasteful number, since it uses less digits than its factorization.
82037840740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141444591 (or 141444589 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 43.
The spelling of 82037840740 in words is "eighty-two billion, thirty-seven million, eight hundred forty thousand, seven hundred forty".
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