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5359871521 = 27971916293
BaseRepresentation
bin1001111110111100…
…10010011000100001
3111211112112200111001
410333132102120201
541434111342041
62243504352001
7246552104404
oct47736223041
914745480431
105359871521
112300564894
121057015601
13675590014
1438bbbbd3b
15215840131
hex13f792621

5359871521 has 4 divisors (see below), whose sum is σ = 5361790612. Its totient is φ = 5357952432.

The previous prime is 5359871501. The next prime is 5359871527. The reversal of 5359871521 is 1251789535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1251789535 = 5250357907.

It can be written as a sum of positive squares in 2 ways, for example, as 4656561121 + 703310400 = 68239^2 + 26520^2 .

It is a cyclic number.

It is not a de Polignac number, because 5359871521 - 227 = 5225653793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5359871527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955350 + ... + 960943.

It is an arithmetic number, because the mean of its divisors is an integer number (1340447653).

Almost surely, 25359871521 is an apocalyptic number.

It is an amenable number.

5359871521 is a deficient number, since it is larger than the sum of its proper divisors (1919091).

5359871521 is a wasteful number, since it uses less digits than its factorization.

5359871521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919090.

The product of its digits is 378000, while the sum is 46.

The square root of 5359871521 is about 73211.1434209301. The cubic root of 5359871521 is about 1750.0540414332.

The spelling of 5359871521 in words is "five billion, three hundred fifty-nine million, eight hundred seventy-one thousand, five hundred twenty-one".

Divisors: 1 2797 1916293 5359871521