Base | Representation |
---|---|
bin | 11000100001101000010… |
… | …10001101001011100100 |
3 | 2222120010102102101222220 |
4 | 30100310022031023210 |
5 | 102301311300240201 |
6 | 1443043102552340 |
7 | 114611416413003 |
oct | 14206412151344 |
9 | 2876112371886 |
10 | 842688680676 |
11 | 2a5422878387 |
12 | 11739a8986b0 |
13 | 6160808143b |
14 | 2cb01a5ac3a |
15 | 16dc0d75036 |
hex | c43428d2e4 |
842688680676 has 48 divisors (see below), whose sum is σ = 2019520280064. Its totient is φ = 273290340096.
The previous prime is 842688680663. The next prime is 842688680707. The reversal of 842688680676 is 676086886248.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 842688680676.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11789421 + ... + 11860683.
It is an arithmetic number, because the mean of its divisors is an integer number (42073339168).
Almost surely, 2842688680676 is an apocalyptic number.
It is an amenable number.
842688680676 is an abundant number, since it is smaller than the sum of its proper divisors (1176831599388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
842688680676 is a wasteful number, since it uses less digits than its factorization.
842688680676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97940 (or 97938 counting only the distinct ones).
The product of its (nonzero) digits is 297271296, while the sum is 69.
The spelling of 842688680676 in words is "eight hundred forty-two billion, six hundred eighty-eight million, six hundred eighty thousand, six hundred seventy-six".
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