Base | Representation |
---|---|
bin | 100101010101010001… |
… | …0111111110111011101 |
3 | 21122221020100011120200 |
4 | 1022222202333313131 |
5 | 2303142200300131 |
6 | 100455132334113 |
7 | 5535463545543 |
oct | 1125242776735 |
9 | 248836304520 |
10 | 80170712541 |
11 | 31000305a27 |
12 | 13655014339 |
13 | 773860655a |
14 | 3c476d5d93 |
15 | 21434902e6 |
hex | 12aa8bfddd |
80170712541 has 24 divisors (see below), whose sum is σ = 119812431960. Its totient is φ = 51596764800.
The previous prime is 80170712497. The next prime is 80170712551. The reversal of 80170712541 is 14521707108.
It can be written as a sum of positive squares in 4 ways, for example, as 2889492516 + 77281220025 = 53754^2 + 277995^2 .
It is not a de Polignac number, because 80170712541 - 226 = 80103603677 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80170712496 and 80170712505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80170712551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2263831 + ... + 2298971.
It is an arithmetic number, because the mean of its divisors is an integer number (4992184665).
Almost surely, 280170712541 is an apocalyptic number.
It is an amenable number.
80170712541 is a deficient number, since it is larger than the sum of its proper divisors (39641719419).
80170712541 is a wasteful number, since it uses less digits than its factorization.
80170712541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43917 (or 43914 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 36.
The spelling of 80170712541 in words is "eighty billion, one hundred seventy million, seven hundred twelve thousand, five hundred forty-one".
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