Base | Representation |
---|---|
bin | 100101100111100011… |
… | …0100100011011001001 |
3 | 21201111222101021021020 |
4 | 1023033012210123021 |
5 | 2310421202021342 |
6 | 101040041503053 |
7 | 5556621546510 |
oct | 1131706443311 |
9 | 251458337236 |
10 | 80784017097 |
11 | 312955207a3 |
12 | 137a64a1a89 |
13 | 78056acb64 |
14 | 3ca4d43677 |
15 | 217c23a0ec |
hex | 12cf1a46c9 |
80784017097 has 16 divisors (see below), whose sum is σ = 123129971712. Its totient is φ = 46150851600.
The previous prime is 80784017077. The next prime is 80784017123. The reversal of 80784017097 is 79071048708.
It is not a de Polignac number, because 80784017097 - 212 = 80784013001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80784017077) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389733 + ... + 559874.
It is an arithmetic number, because the mean of its divisors is an integer number (7695623232).
Almost surely, 280784017097 is an apocalyptic number.
It is an amenable number.
80784017097 is a deficient number, since it is larger than the sum of its proper divisors (42345954615).
80784017097 is a wasteful number, since it uses less digits than its factorization.
80784017097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 953668.
The product of its (nonzero) digits is 790272, while the sum is 51.
The spelling of 80784017097 in words is "eighty billion, seven hundred eighty-four million, seventeen thousand, ninety-seven".
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