Base | Representation |
---|---|
bin | 100101011101011100… |
… | …1100101000111001101 |
3 | 21200122100120212010210 |
4 | 1022322321211013031 |
5 | 2304222414131400 |
6 | 100542252553033 |
7 | 5545334536101 |
oct | 1127271450715 |
9 | 250570525123 |
10 | 80445067725 |
11 | 31131164050 |
12 | 13710a82779 |
13 | 77803c57b9 |
14 | 3c71d11901 |
15 | 215c5d5950 |
hex | 12bae651cd |
80445067725 has 96 divisors (see below), whose sum is σ = 146901740544. Its totient is φ = 38519769600.
The previous prime is 80445067723. The next prime is 80445067817. The reversal of 80445067725 is 52776054408.
It is not a de Polignac number, because 80445067725 - 21 = 80445067723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80445067721) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37642857 + ... + 37644993.
It is an arithmetic number, because the mean of its divisors is an integer number (1530226464).
Almost surely, 280445067725 is an apocalyptic number.
It is an amenable number.
80445067725 is a deficient number, since it is larger than the sum of its proper divisors (66456672819).
80445067725 is a wasteful number, since it uses less digits than its factorization.
80445067725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2707 (or 2702 counting only the distinct ones).
The product of its (nonzero) digits is 1881600, while the sum is 48.
The spelling of 80445067725 in words is "eighty billion, four hundred forty-five million, sixty-seven thousand, seven hundred twenty-five".
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