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5172550768 = 247115971161
BaseRepresentation
bin1001101000100111…
…01101110001110000
3111100111001210201101
410310103231301300
541043133111033
62213133414144
7242115645640
oct46423556160
914314053641
105172550768
112214851a50
12100433a354
13645824c38
14370d7a520
1520418c97d
hex1344edc70

5172550768 has 80 divisors (see below), whose sum is σ = 12706686720. Its totient is φ = 1981094400.

The previous prime is 5172550763. The next prime is 5172550769. The reversal of 5172550768 is 8670552715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172550763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37108 + ... + 108268.

It is an arithmetic number, because the mean of its divisors is an integer number (158833584).

Almost surely, 25172550768 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 5172550768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6353343360).

5172550768 is an abundant number, since it is smaller than the sum of its proper divisors (7534135952).

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

5172550768 is a wasteful number, since it uses less digits than its factorization.

5172550768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71246 (or 71240 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 46.

The square root of 5172550768 is about 71920.4474958269. The cubic root of 5172550768 is about 1729.4244209952.

The spelling of 5172550768 in words is "five billion, one hundred seventy-two million, five hundred fifty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 59 77 88 112 118 154 176 236 308 413 472 616 649 826 944 1232 1298 1652 2596 3304 4543 5192 6608 9086 10384 18172 36344 71161 72688 142322 284644 498127 569288 782771 996254 1138576 1565542 1992508 3131084 3985016 4198499 5479397 6262168 7970032 8396998 10958794 12524336 16793996 21917588 29389493 33587992 43835176 46183489 58778986 67175984 87670352 92366978 117557972 184733956 235115944 323284423 369467912 470231888 646568846 738935824 1293137692 2586275384 5172550768