Base | Representation |
---|---|
bin | 100101100110011001… |
… | …0001011110101100101 |
3 | 21201102021012001012211 |
4 | 1023030302023311211 |
5 | 2310331222302302 |
6 | 101032132043421 |
7 | 5555640121300 |
oct | 1131462136545 |
9 | 251367161184 |
10 | 80745119077 |
11 | 31275573077 |
12 | 13795463571 |
13 | 77ca610a8c |
14 | 3c9dad9b37 |
15 | 2178b04ad7 |
hex | 12ccc8bd65 |
80745119077 has 12 divisors (see below), whose sum is σ = 95329909920. Its totient is φ = 68177112696.
The previous prime is 80745118991. The next prime is 80745119083. The reversal of 80745119077 is 77091154708.
It is not a de Polignac number, because 80745119077 - 219 = 80744594789 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a self number, because there is not a number n which added to its sum of digits gives 80745119077.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80745119087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12294177 + ... + 12300742.
It is an arithmetic number, because the mean of its divisors is an integer number (7944159160).
Almost surely, 280745119077 is an apocalyptic number.
It is an amenable number.
80745119077 is a deficient number, since it is larger than the sum of its proper divisors (14584790843).
80745119077 is a wasteful number, since it uses less digits than its factorization.
80745119077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24595000 (or 24594993 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 49.
The spelling of 80745119077 in words is "eighty billion, seven hundred forty-five million, one hundred nineteen thousand, seventy-seven".
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