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6485243053 = 54831182791
BaseRepresentation
bin1100000101000110…
…01111010010101101
3121201222010111000011
412002203033102231
5101240210234203
62551305133221
7316465441102
oct60243172255
917658114004
106485243053
112828829103
12130ba8a211
137c4785033
14457442aa9
1527e53876d
hex1828cf4ad

6485243053 has 4 divisors (see below), whose sum is σ = 6486431328. Its totient is φ = 6484054780.

The previous prime is 6485242993. The next prime is 6485243119. The reversal of 6485243053 is 3503425846.

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 6485243053 - 217 = 6485111981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6485242997 and 6485243015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485244053) 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, 585913 + ... + 596878.

It is an arithmetic number, because the mean of its divisors is an integer number (1621607832).

Almost surely, 26485243053 is an apocalyptic number.

It is an amenable number.

6485243053 is a deficient number, since it is larger than the sum of its proper divisors (1188275).

6485243053 is a wasteful number, since it uses less digits than its factorization.

6485243053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188274.

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 6485243053 is about 80531.0067799975. The cubic root of 6485243053 is about 1864.8421885362.

Adding to 6485243053 its reverse (3503425846), we get a palindrome (9988668899).

The spelling of 6485243053 in words is "six billion, four hundred eighty-five million, two hundred forty-three thousand, fifty-three".

Divisors: 1 5483 1182791 6485243053