Base | Representation |
---|---|
bin | 100101101001001111… |
… | …0000101001001101011 |
3 | 21201122220200111212000 |
4 | 1023102132011021223 |
5 | 2311030132341412 |
6 | 101045420422043 |
7 | 5561206005135 |
oct | 1132236051153 |
9 | 251586614760 |
10 | 80840512107 |
11 | 313143a8293 |
12 | 138013a7923 |
13 | 7814300664 |
14 | 3cac64c055 |
15 | 21821994dc |
hex | 12d278526b |
80840512107 has 16 divisors (see below), whose sum is σ = 119919492000. Its totient is φ = 53823578112.
The previous prime is 80840512091. The next prime is 80840512111. The reversal of 80840512107 is 70121504808.
It is not a de Polignac number, because 80840512107 - 24 = 80840512091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80840512157) 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, 1925982 + ... + 1967507.
It is an arithmetic number, because the mean of its divisors is an integer number (7494968250).
Almost surely, 280840512107 is an apocalyptic number.
80840512107 is a deficient number, since it is larger than the sum of its proper divisors (39078979893).
80840512107 is a wasteful number, since it uses less digits than its factorization.
80840512107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3894267 (or 3894261 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 36.
The spelling of 80840512107 in words is "eighty billion, eight hundred forty million, five hundred twelve thousand, one hundred seven".
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