Base | Representation |
---|---|
bin | 100101011110000110… |
… | …0010001111101110101 |
3 | 21200200212101021212021 |
4 | 1022330030101331311 |
5 | 2304243441403003 |
6 | 100544345353141 |
7 | 5546020031524 |
oct | 1127414217565 |
9 | 250625337767 |
10 | 80466747253 |
11 | 31142421212 |
12 | 137181987b1 |
13 | 7784a46519 |
14 | 3c74b564bb |
15 | 215e4692bd |
hex | 12bc311f75 |
80466747253 has 4 divisors (see below), whose sum is σ = 80467430508. Its totient is φ = 80466064000.
The previous prime is 80466747239. The next prime is 80466747269. The reversal of 80466747253 is 35274766408.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 44648535204 + 35818212049 = 211302^2 + 189257^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80466747253 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80466747253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80466747223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114748 + ... + 417253.
It is an arithmetic number, because the mean of its divisors is an integer number (20116857627).
Almost surely, 280466747253 is an apocalyptic number.
It is an amenable number.
80466747253 is a deficient number, since it is larger than the sum of its proper divisors (683255).
80466747253 is a wasteful number, since it uses less digits than its factorization.
80466747253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 683254.
The product of its (nonzero) digits is 6773760, while the sum is 52.
The spelling of 80466747253 in words is "eighty billion, four hundred sixty-six million, seven hundred forty-seven thousand, two hundred fifty-three".
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