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5172309486 = 233475413767
BaseRepresentation
bin1001101000100101…
…10010110111101110
3111100110121112202000
410310102302313232
541043102400421
62213124313130
7242113622331
oct46422626756
914313545660
105172309486
1122146a7743
1210042427a6
1364576c176
14370d16618
15204141226
hex1344b2dee

5172309486 has 64 divisors (see below), whose sum is σ = 11763394560. Its totient is φ = 1683853920.

The previous prime is 5172309473. The next prime is 5172309497. The reversal of 5172309486 is 6849032715.

5172309486 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

5172309486 is a nontrivial binomial coefficient, being equal to C(101709, 2).

It is a super-3 number, since 3×51723094863 (a number of 30 digits) contains 333 as substring.

5172309486 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371175 + ... + 1374941.

It is an arithmetic number, because the mean of its divisors is an integer number (183803040).

It is a 1-persistent number, because it is pandigital, but 2⋅5172309486 = 10344618972 is not.

Almost surely, 25172309486 is an apocalyptic number.

5172309486 is the 101708-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5172309486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5881697280).

5172309486 is an abundant number, since it is smaller than the sum of its proper divisors (6591085074).

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

5172309486 is a wasteful number, since it uses less digits than its factorization.

5172309486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 5172309486 is about 71918.7700534429. The cubic root of 5172309486 is about 1729.3975299769.

The spelling of 5172309486 in words is "five billion, one hundred seventy-two million, three hundred nine thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 47 54 94 141 282 423 541 846 1082 1269 1623 2538 3246 3767 4869 7534 9738 11301 14607 22602 25427 29214 33903 50854 67806 76281 101709 152562 177049 203418 228843 354098 457686 531147 686529 1062294 1373058 1593441 2037947 3186882 4075894 4780323 6113841 9560646 12227682 18341523 36683046 55024569 95783509 110049138 191567018 287350527 574701054 862051581 1724103162 2586154743 5172309486