Base | Representation |
---|---|
bin | 100111010010110000… |
… | …0010010011101011001 |
3 | 22001210122220011201010 |
4 | 1032211200102131121 |
5 | 2340303024132411 |
6 | 102433015244133 |
7 | 6045020242512 |
oct | 1164540223531 |
9 | 261718804633 |
10 | 84381083481 |
11 | 32870a15a32 |
12 | 1442b079649 |
13 | 7c599a38c6 |
14 | 412696ba09 |
15 | 22dce1c7a6 |
hex | 13a5812759 |
84381083481 has 8 divisors (see below), whose sum is σ = 113079219264. Its totient is φ = 55968501680.
The previous prime is 84381083461. The next prime is 84381083489. The reversal of 84381083481 is 18438018348.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 84381083481 - 26 = 84381083417 is a prime.
It is a super-2 number, since 2×843810834812 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 84381083481.
It is not an unprimeable number, because it can be changed into a prime (84381083489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71387805 + ... + 71388986.
It is an arithmetic number, because the mean of its divisors is an integer number (14134902408).
Almost surely, 284381083481 is an apocalyptic number.
It is an amenable number.
84381083481 is a deficient number, since it is larger than the sum of its proper divisors (28698135783).
84381083481 is a wasteful number, since it uses less digits than its factorization.
84381083481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142776991.
The product of its (nonzero) digits is 589824, while the sum is 48.
The spelling of 84381083481 in words is "eighty-four billion, three hundred eighty-one million, eighty-three thousand, four hundred eighty-one".
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