Base | Representation |
---|---|
bin | 10010001101011001001110… |
… | …101011001010000110101111 |
3 | 101111120002002212110212210112 |
4 | 102031121032223022012233 |
5 | 40444104123203401042 |
6 | 442154400401530235 |
7 | 22603653620252261 |
oct | 2215311653120657 |
9 | 344502085425715 |
10 | 80085280137647 |
11 | 23576a81900844 |
12 | 8b9509234397b |
13 | 358c017b8ab25 |
14 | 15ac210ab3b31 |
15 | 93d306747982 |
hex | 48d64eaca1af |
80085280137647 has 4 divisors (see below), whose sum is σ = 80088817027320. Its totient is φ = 80081743247976.
The previous prime is 80085280137641. The next prime is 80085280137701. The reversal of 80085280137647 is 74673108258008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80085280137647 - 238 = 79810402230703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80085280137641) 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, 1768410872 + ... + 1768456157.
It is an arithmetic number, because the mean of its divisors is an integer number (20022204256830).
Almost surely, 280085280137647 is an apocalyptic number.
80085280137647 is a deficient number, since it is larger than the sum of its proper divisors (3536889673).
80085280137647 is a wasteful number, since it uses less digits than its factorization.
80085280137647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3536889672.
The product of its (nonzero) digits is 18063360, while the sum is 59.
The spelling of 80085280137647 in words is "eighty trillion, eighty-five billion, two hundred eighty million, one hundred thirty-seven thousand, six hundred forty-seven".
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