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5311331300 = 2252112438953
BaseRepresentation
bin1001111001001010…
…00111101111100100
3111201011012120211002
410330211013233210
541334200100200
62235012132432
7245422366622
oct47445075744
914634176732
105311331300
112286120900
121042907118
136684c61b2
14385584512
15211452bd5
hex13c947be4

5311331300 has 54 divisors (see below), whose sum is σ = 12668651394. Its totient is φ = 1931388800.

The previous prime is 5311331287. The next prime is 5311331309. The reversal of 5311331300 is 31331135.

It can be written as a sum of positive squares in 3 ways, for example, as 1105030564 + 4206300736 = 33242^2 + 64856^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5311331309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 207377 + ... + 231576.

Almost surely, 25311331300 is an apocalyptic number.

5311331300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5311331300 is an abundant number, since it is smaller than the sum of its proper divisors (7357320094).

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

5311331300 is a wasteful number, since it uses less digits than its factorization.

5311331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438989 (or 438971 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 5311331300 is about 72878.8810287315. The cubic root of 5311331300 is about 1744.7550497299.

Adding to 5311331300 its reverse (31331135), we get a palindrome (5342662435).

The spelling of 5311331300 in words is "five billion, three hundred eleven million, three hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 12100 438953 877906 1755812 2194765 4389530 4828483 8779060 9656966 10973825 19313932 21947650 24142415 43895300 48284830 53113313 96569660 106226626 120712075 212453252 241424150 265566565 482848300 531133130 1062266260 1327832825 2655665650 5311331300