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28234884053 = 86332717131
BaseRepresentation
bin11010010010111011…
…100010001111010101
32200212201220201111102
4122102323202033111
5430311112242203
620545415315445
72016454361135
oct322273421725
980781821442
1028234884053
1110a79946322
12557b97bb85
13287c79a0ac
14151bc52ac5
15b03bb1888
hex692ee23d5

28234884053 has 4 divisors (see below), whose sum is σ = 28267602048. Its totient is φ = 28202166060.

The previous prime is 28234884043. The next prime is 28234884059. The reversal of 28234884053 is 35048843282.

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 28234884053 - 28 = 28234883797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28234883989 and 28234884007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28234884059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16357703 + ... + 16359428.

It is an arithmetic number, because the mean of its divisors is an integer number (7066900512).

Almost surely, 228234884053 is an apocalyptic number.

It is an amenable number.

28234884053 is a deficient number, since it is larger than the sum of its proper divisors (32717995).

28234884053 is an equidigital number, since it uses as much as digits as its factorization.

28234884053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32717994.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 28234884053 in words is "twenty-eight billion, two hundred thirty-four million, eight hundred eighty-four thousand, fifty-three".

Divisors: 1 863 32717131 28234884053