Base | Representation |
---|---|
bin | 100110100011101011… |
… | …0011001010101101011 |
3 | 21220201120111120010120 |
4 | 1031013112121111223 |
5 | 2324034131310130 |
6 | 102012150014323 |
7 | 5660616362406 |
oct | 1150726312553 |
9 | 256646446116 |
10 | 82801431915 |
11 | 32130282374 |
12 | 1406a0473a3 |
13 | 7a67643a37 |
14 | 4016c52d3d |
15 | 22493dc910 |
hex | 134759956b |
82801431915 has 8 divisors (see below), whose sum is σ = 132482291088. Its totient is φ = 44160763680.
The previous prime is 82801431913. The next prime is 82801431917. The reversal of 82801431915 is 51913410828.
It is an interprime number because it is at equal distance from previous prime (82801431913) and next prime (82801431917).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82801431915 - 21 = 82801431913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (82801431913) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760047716 + ... + 2760047745.
It is an arithmetic number, because the mean of its divisors is an integer number (16560286386).
Almost surely, 282801431915 is an apocalyptic number.
82801431915 is a deficient number, since it is larger than the sum of its proper divisors (49680859173).
82801431915 is a wasteful number, since it uses less digits than its factorization.
82801431915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5520095469.
The product of its (nonzero) digits is 69120, while the sum is 42.
The spelling of 82801431915 in words is "eighty-two billion, eight hundred one million, four hundred thirty-one thousand, nine hundred fifteen".
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