Base | Representation |
---|---|
bin | 11010011101111010… |
… | …000111101110001111 |
3 | 2201100120110222001201 |
4 | 122131322013232033 |
5 | 431200240001141 |
6 | 21015555050331 |
7 | 2024152022056 |
oct | 323572075617 |
9 | 81316428051 |
10 | 28419062671 |
11 | 1106390245a |
12 | 56115a09a7 |
13 | 28ab9a4c1c |
14 | 15384b739d |
15 | b14e43031 |
hex | 69de87b8f |
28419062671 has 4 divisors (see below), whose sum is σ = 28500493000. Its totient is φ = 28337632344.
The previous prime is 28419062657. The next prime is 28419062687. The reversal of 28419062671 is 17626091482.
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 28419062671 - 223 = 28410674063 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 (28419062621) 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, 40714641 + ... + 40715338.
It is an arithmetic number, because the mean of its divisors is an integer number (7125123250).
Almost surely, 228419062671 is an apocalyptic number.
28419062671 is a deficient number, since it is larger than the sum of its proper divisors (81430329).
28419062671 is an equidigital number, since it uses as much as digits as its factorization.
28419062671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81430328.
The product of its (nonzero) digits is 290304, while the sum is 46.
The spelling of 28419062671 in words is "twenty-eight billion, four hundred nineteen million, sixty-two thousand, six hundred seventy-one".
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