Base | Representation |
---|---|
bin | 11000100000011111111… |
… | …11010000010111101101 |
3 | 2222111120010112012220001 |
4 | 30100033333100113231 |
5 | 102244040422033011 |
6 | 1442502544024301 |
7 | 114560400313111 |
oct | 14201777202755 |
9 | 2874503465801 |
10 | 842081830381 |
11 | 2a5141270810 |
12 | 11724b602091 |
13 | 6153c42781c |
14 | 2ca8520d741 |
15 | 16d879527c1 |
hex | c40ffd05ed |
842081830381 has 8 divisors (see below), whose sum is σ = 919536242400. Its totient is φ = 764777671440.
The previous prime is 842081830361. The next prime is 842081830411. The reversal of 842081830381 is 183038180248.
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 842081830381 - 25 = 842081830349 is a prime.
It is a super-2 number, since 2×8420818303812 (a number of 25 digits) contains 22 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 (842081830361) 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, 37551546 + ... + 37573963.
It is an arithmetic number, because the mean of its divisors is an integer number (114942030300).
Almost surely, 2842081830381 is an apocalyptic number.
It is an amenable number.
842081830381 is a deficient number, since it is larger than the sum of its proper divisors (77454412019).
842081830381 is a wasteful number, since it uses less digits than its factorization.
842081830381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75126539.
The product of its (nonzero) digits is 294912, while the sum is 46.
The spelling of 842081830381 in words is "eight hundred forty-two billion, eighty-one million, eight hundred thirty thousand, three hundred eighty-one".
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