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5248728780 = 22354310719013
BaseRepresentation
bin1001110001101100…
…10011111011001100
3111112210102001022020
410320312103323030
541222133310110
62224454250140
7244032313161
oct47066237314
914483361266
105248728780
112253852689
121025956950
13658547799
1437b12a068
1520abd8d70
hex138d93ecc

5248728780 has 96 divisors (see below), whose sum is σ = 15179560704. Its totient is φ = 1354262784.

The previous prime is 5248728769. The next prime is 5248728787. The reversal of 5248728780 is 878278425.

It is not an unprimeable number, because it can be changed into a prime (5248728787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266554 + ... + 285566.

It is an arithmetic number, because the mean of its divisors is an integer number (158120424).

Almost surely, 25248728780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5248728780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7589780352).

5248728780 is an abundant number, since it is smaller than the sum of its proper divisors (9930831924).

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

5248728780 is a wasteful number, since it uses less digits than its factorization.

5248728780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19175 (or 19173 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 51.

The square root of 5248728780 is about 72448.1109484574. The cubic root of 5248728780 is about 1737.8730319261.

The spelling of 5248728780 in words is "five billion, two hundred forty-eight million, seven hundred twenty-eight thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 107 129 172 214 215 258 321 428 430 516 535 642 645 860 1070 1284 1290 1605 2140 2580 3210 4601 6420 9202 13803 18404 19013 23005 27606 38026 46010 55212 57039 69015 76052 92020 95065 114078 138030 190130 228156 276060 285195 380260 570390 817559 1140780 1635118 2034391 2452677 3270236 4068782 4087795 4905354 6103173 8137564 8175590 9810708 10171955 12206346 12263385 16351180 20343910 24412692 24526770 30515865 40687820 49053540 61031730 87478813 122063460 174957626 262436439 349915252 437394065 524872878 874788130 1049745756 1312182195 1749576260 2624364390 5248728780