Base | Representation |
---|---|
bin | 100101011100100001… |
… | …0100000101110110010 |
3 | 21200120011212001211200 |
4 | 1022321002200232302 |
5 | 2304141421322032 |
6 | 100535215552030 |
7 | 5544505325622 |
oct | 1127102405662 |
9 | 250504761750 |
10 | 80413854642 |
11 | 31115585210 |
12 | 1370252b616 |
13 | 7776ab7614 |
14 | 3c6bb08882 |
15 | 21599bc47c |
hex | 12b90a0bb2 |
80413854642 has 96 divisors (see below), whose sum is σ = 192907578240. Its totient is φ = 24004512000.
The previous prime is 80413854617. The next prime is 80413854683. The reversal of 80413854642 is 24645831408.
80413854642 is a `hidden beast` number, since 80 + 413 + 85 + 46 + 42 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31896342 + ... + 31898862.
It is an arithmetic number, because the mean of its divisors is an integer number (2009453940).
Almost surely, 280413854642 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80413854642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96453789120).
80413854642 is an abundant number, since it is smaller than the sum of its proper divisors (112493723598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80413854642 is a wasteful number, since it uses less digits than its factorization.
80413854642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4880 (or 4877 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 45.
It can be divided in two parts, 8041 and 3854642, that added together give a palindrome (3862683).
The spelling of 80413854642 in words is "eighty billion, four hundred thirteen million, eight hundred fifty-four thousand, six hundred forty-two".
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