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2505320563 = 19235732999
BaseRepresentation
bin1001010101010100…
…0010100001110011
320110121012110201111
42111111002201303
520112330224223
61052333414151
7116040605404
oct22525024163
96417173644
102505320563
111076208469
1259b03a357
1330c073105
1419aa379ab
15e9e2c30d
hex95542873

2505320563 has 8 divisors (see below), whose sum is σ = 2751840000. Its totient is φ = 2270267208.

The previous prime is 2505320537. The next prime is 2505320591. The reversal of 2505320563 is 3650235052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505320563 - 213 = 2505312371 is a prime.

It is a super-2 number, since 2×25053205632 = 12553262246781273938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505320593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2866063 + ... + 2866936.

It is an arithmetic number, because the mean of its divisors is an integer number (343980000).

Almost surely, 22505320563 is an apocalyptic number.

2505320563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2505320563 is a deficient number, since it is larger than the sum of its proper divisors (246519437).

2505320563 is a wasteful number, since it uses less digits than its factorization.

2505320563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733041.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2505320563 is about 50053.1773516927. The cubic root of 2505320563 is about 1358.1709414038.

The spelling of 2505320563 in words is "two billion, five hundred five million, three hundred twenty thousand, five hundred sixty-three".

Divisors: 1 19 23 437 5732999 108926981 131858977 2505320563