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5243216972 = 22721910912917
BaseRepresentation
bin1001110001000010…
…10010010001001100
3111112102001000112012
410320201102101030
541214230420342
62224140200352
7243634415600
oct47041222114
914472030465
105243216972
112250728574
121023b390b8
13657367a66
1437a4d3500
1520a49ab82
hex13885244c

5243216972 has 72 divisors (see below), whose sum is σ = 11339420400. Its totient is φ = 2109131136.

The previous prime is 5243216933. The next prime is 5243216977. The reversal of 5243216972 is 2796123425.

It is not an unprimeable number, because it can be changed into a prime (5243216977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399458 + ... + 412374.

It is an arithmetic number, because the mean of its divisors is an integer number (157491950).

Almost surely, 25243216972 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 5243216972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5669710200).

5243216972 is an abundant number, since it is smaller than the sum of its proper divisors (6096203428).

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

5243216972 is a wasteful number, since it uses less digits than its factorization.

5243216972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063 (or 13054 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 5243216972 is about 72410.0612622307. The cubic root of 5243216972 is about 1737.2644923591.

The spelling of 5243216972 in words is "five billion, two hundred forty-three million, two hundred sixteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 109 133 196 218 266 436 532 763 931 1526 1862 2071 3052 3724 4142 5341 8284 10682 12917 14497 21364 25834 28994 51668 57988 90419 101479 180838 202958 245423 361676 405916 490846 632933 981692 1265866 1407953 1717961 2531732 2815906 3435922 5631812 6871844 9855671 12025727 19711342 24051454 26751107 39422684 48102908 53502214 68989697 107004428 137979394 187257749 275958788 374515498 749030996 1310804243 2621608486 5243216972