Base | Representation |
---|---|
bin | 100000100000110001… |
… | …1000110011010001000 |
3 | 20200012211010200212120 |
4 | 1001001203012122020 |
5 | 2120442203301224 |
6 | 52024031411240 |
7 | 5021120245251 |
oct | 1010143063210 |
9 | 220184120776 |
10 | 69819197064 |
11 | 27679131161 |
12 | 11646383b20 |
13 | 6778b52176 |
14 | 35449cdb28 |
15 | 1c397e9779 |
hex | 10418c6688 |
69819197064 has 32 divisors (see below), whose sum is σ = 184815522720. Its totient is φ = 21904061696.
The previous prime is 69819197027. The next prime is 69819197117. The reversal of 69819197064 is 46079191896.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 69819196989 and 69819197007.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85562334 + ... + 85563149.
It is an arithmetic number, because the mean of its divisors is an integer number (5775485085).
Almost surely, 269819197064 is an apocalyptic number.
It is an amenable number.
69819197064 is an abundant number, since it is smaller than the sum of its proper divisors (114996325656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69819197064 is a wasteful number, since it uses less digits than its factorization.
69819197064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171125509 (or 171125505 counting only the distinct ones).
The product of its (nonzero) digits is 5878656, while the sum is 60.
The spelling of 69819197064 in words is "sixty-nine billion, eight hundred nineteen million, one hundred ninety-seven thousand, sixty-four".
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