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5215253811571 = 12805674072613
BaseRepresentation
bin100101111100100010101…
…0110011101000101110011
3200110120111000010201121201
41023321011112131011303
51140421314433432241
615031504324432031
71045534564654036
oct113710526350563
920416430121551
105215253811571
11173085a8a7101
12702901b48617
132baa476a7a3b
141405c367b01d
15909d9de3931
hex4be4559d173

5215253811571 has 4 divisors (see below), whose sum is σ = 5215259164752. Its totient is φ = 5215248458392.

The previous prime is 5215253811539. The next prime is 5215253811671. The reversal of 5215253811571 is 1751183525125.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5215253811571 - 25 = 5215253811539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215253811511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755740 + ... + 3316873.

It is an arithmetic number, because the mean of its divisors is an integer number (1303814791188).

Almost surely, 25215253811571 is an apocalyptic number.

5215253811571 is a deficient number, since it is larger than the sum of its proper divisors (5353181).

5215253811571 is a wasteful number, since it uses less digits than its factorization.

5215253811571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353180.

The product of its digits is 420000, while the sum is 46.

The spelling of 5215253811571 in words is "five trillion, two hundred fifteen billion, two hundred fifty-three million, eight hundred eleven thousand, five hundred seventy-one".

Divisors: 1 1280567 4072613 5215253811571