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5305212020 = 2255311094513
BaseRepresentation
bin1001111000011011…
…10001110001110100
3111200201200200202002
410330031301301310
541331113241040
62234233034432
7245316362303
oct47415616164
914621620662
105305212020
112282721349
121040855a18
13667162b14
1438483043a
15210b44a15
hex13c371c74

5305212020 has 48 divisors (see below), whose sum is σ = 11363904720. Its totient is φ = 2079707136.

The previous prime is 5305212013. The next prime is 5305212041. The reversal of 5305212020 is 202125035.

It can be written as a sum of positive squares in 8 ways, for example, as 2033829604 + 3271382416 = 45098^2 + 57196^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5305211983 and 5305212001.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1173284 + ... + 1177796.

It is an arithmetic number, because the mean of its divisors is an integer number (236748015).

Almost surely, 25305212020 is an apocalyptic number.

It is an amenable number.

5305212020 is an abundant number, since it is smaller than the sum of its proper divisors (6058692700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5305212020 is a wasteful number, since it uses less digits than its factorization.

5305212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5305212020 is about 72836.8863969349. The cubic root of 5305212020 is about 1744.0847377149.

Adding to 5305212020 its reverse (202125035), we get a palindrome (5507337055).

The spelling of 5305212020 in words is "five billion, three hundred five million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1109 2218 4436 4513 5545 9026 11090 18052 22180 22565 45130 58777 90260 117554 235108 239189 293885 478378 587770 956756 1175540 1195945 2391890 4783780 5004917 10009834 20019668 25024585 50049170 100098340 265260601 530521202 1061042404 1326303005 2652606010 5305212020