Base | Representation |
---|---|
bin | 11010101000000111… |
… | …111011110011110101 |
3 | 2201210111222122120202 |
4 | 122220013323303311 |
5 | 432023124043203 |
6 | 21045000410245 |
7 | 2031332603165 |
oct | 325007736365 |
9 | 81714878522 |
10 | 28590456053 |
11 | 11141626885 |
12 | 565aa76985 |
13 | 2908354523 |
14 | 15531705a5 |
15 | b24eeb388 |
hex | 6a81fbcf5 |
28590456053 has 4 divisors (see below), whose sum is σ = 28952360640. Its totient is φ = 28228551468.
The previous prime is 28590456023. The next prime is 28590456071. The reversal of 28590456053 is 35065409582.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28590456053 - 212 = 28590451957 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28590455989 and 28590456007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28590456023) 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, 180952175 + ... + 180952332.
It is an arithmetic number, because the mean of its divisors is an integer number (7238090160).
Almost surely, 228590456053 is an apocalyptic number.
It is an amenable number.
28590456053 is a deficient number, since it is larger than the sum of its proper divisors (361904587).
28590456053 is an equidigital number, since it uses as much as digits as its factorization.
28590456053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361904586.
The product of its (nonzero) digits is 1296000, while the sum is 47.
The spelling of 28590456053 in words is "twenty-eight billion, five hundred ninety million, four hundred fifty-six thousand, fifty-three".
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