Base | Representation |
---|---|
bin | 100101101000000001… |
… | …1100100011101011001 |
3 | 21201120002110200200211 |
4 | 1023100003210131121 |
5 | 2310434300224100 |
6 | 101041412331121 |
7 | 5560204510342 |
oct | 1132003443531 |
9 | 251502420624 |
10 | 80800008025 |
11 | 312a3552a40 |
12 | 137ab913aa1 |
13 | 7808abb549 |
14 | 3ca71070c9 |
15 | 217d8481ba |
hex | 12d00e4759 |
80800008025 has 48 divisors (see below), whose sum is σ = 111365515008. Its totient is φ = 57661632000.
The previous prime is 80800008011. The next prime is 80800008031. The reversal of 80800008025 is 52080000808.
It is not a de Polignac number, because 80800008025 - 217 = 80799876953 is a prime.
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, 3944560 + ... + 3964990.
It is an arithmetic number, because the mean of its divisors is an integer number (2320114896).
Almost surely, 280800008025 is an apocalyptic number.
It is an amenable number.
80800008025 is a deficient number, since it is larger than the sum of its proper divisors (30565506983).
80800008025 is a wasteful number, since it uses less digits than its factorization.
80800008025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20722 (or 20717 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 31.
The spelling of 80800008025 in words is "eighty billion, eight hundred million, eight thousand, twenty-five".
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