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5004511221 = 31798127671
BaseRepresentation
bin1001010100100101…
…01100011111110101
3110220202212111210110
410222102230133311
540222123324341
62144332013233
7235005433503
oct45222543765
913822774713
105004511221
112138a09396
12b78001219
13619a7b058
14356917673
151e4548216
hex12a4ac7f5

5004511221 has 8 divisors (see below), whose sum is σ = 7065192384. Its totient is φ = 3140085440.

The previous prime is 5004511219. The next prime is 5004511229. The reversal of 5004511221 is 1221154005.

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 5004511221 - 21 = 5004511219 is a prime.

It is a super-2 number, since 2×50045112212 = 50090265122229821682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5004511229) 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, 49063785 + ... + 49063886.

It is an arithmetic number, because the mean of its divisors is an integer number (883149048).

Almost surely, 25004511221 is an apocalyptic number.

5004511221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5004511221 is a deficient number, since it is larger than the sum of its proper divisors (2060681163).

5004511221 is a wasteful number, since it uses less digits than its factorization.

5004511221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98127691.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5004511221 is about 70742.5700762985. The cubic root of 5004511221 is about 1710.4900640479.

Adding to 5004511221 its reverse (1221154005), we get a palindrome (6225665226).

The spelling of 5004511221 in words is "five billion, four million, five hundred eleven thousand, two hundred twenty-one".

Divisors: 1 3 17 51 98127671 294383013 1668170407 5004511221