Base | Representation |
---|---|
bin | 100100101000101010… |
… | …0111011111100011000 |
3 | 21112001220201220000001 |
4 | 1021101110323330120 |
5 | 2242111001313412 |
6 | 100050421422344 |
7 | 5453416504261 |
oct | 1112124737430 |
9 | 245056656001 |
10 | 78673854232 |
11 | 30402381146 |
12 | 132b786a9b4 |
13 | 755a47428c |
14 | 3b449ad968 |
15 | 20a6d66957 |
hex | 125153bf18 |
78673854232 has 16 divisors (see below), whose sum is σ = 150296750640. Its totient is φ = 38594720736.
The previous prime is 78673854227. The next prime is 78673854239. The reversal of 78673854232 is 23245837687.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78673854239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92775348 + ... + 92776195.
It is an arithmetic number, because the mean of its divisors is an integer number (9393546915).
Almost surely, 278673854232 is an apocalyptic number.
It is an amenable number.
78673854232 is a deficient number, since it is larger than the sum of its proper divisors (71622896408).
78673854232 is a wasteful number, since it uses less digits than its factorization.
78673854232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185551602 (or 185551598 counting only the distinct ones).
The product of its digits is 13547520, while the sum is 55.
The spelling of 78673854232 in words is "seventy-eight billion, six hundred seventy-three million, eight hundred fifty-four thousand, two hundred thirty-two".
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