Base | Representation |
---|---|
bin | 100100101100100011… |
… | …1100000111011010110 |
3 | 21112102000200002121002 |
4 | 1021121013200323112 |
5 | 2242342431202210 |
6 | 100111411023302 |
7 | 5456564436431 |
oct | 1113107407326 |
9 | 245360602532 |
10 | 78804553430 |
11 | 3046a130409 |
12 | 1333359ab32 |
13 | 757b576095 |
14 | 3b580b2818 |
15 | 20b35824a5 |
hex | 12591e0ed6 |
78804553430 has 32 divisors (see below), whose sum is σ = 142174354464. Its totient is φ = 31449423616.
The previous prime is 78804553427. The next prime is 78804553441. The reversal of 78804553430 is 3435540887.
It is a congruent number.
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, 9697349 + ... + 9705471.
It is an arithmetic number, because the mean of its divisors is an integer number (4442948577).
Almost surely, 278804553430 is an apocalyptic number.
78804553430 is a deficient number, since it is larger than the sum of its proper divisors (63369801034).
78804553430 is a wasteful number, since it uses less digits than its factorization.
78804553430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10240.
The product of its (nonzero) digits is 1612800, while the sum is 47.
The spelling of 78804553430 in words is "seventy-eight billion, eight hundred four million, five hundred fifty-three thousand, four hundred thirty".
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