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5171272902 = 2331916730181
BaseRepresentation
bin1001101000011101…
…10101110011000110
3111100101122212211000
410310032311303012
541042321213102
62213050154130
7242102044245
oct46416656306
914311585730
105171272902
112214059964
121003a22946
136454983c3
14370b2695c
15203ed901c
hex1343b5cc6

5171272902 has 64 divisors (see below), whose sum is σ = 12169382400. Its totient is φ = 1623201120.

The previous prime is 5171272877. The next prime is 5171272913. The reversal of 5171272902 is 2092721715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156252 + ... + 186432.

It is an arithmetic number, because the mean of its divisors is an integer number (190146600).

Almost surely, 25171272902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5171272902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6084691200).

5171272902 is an abundant number, since it is smaller than the sum of its proper divisors (6998109498).

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

5171272902 is a wasteful number, since it uses less digits than its factorization.

5171272902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30378 (or 30372 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 5171272902 is about 71911.5630618609. The cubic root of 5171272902 is about 1729.2819925763.

The spelling of 5171272902 in words is "five billion, one hundred seventy-one million, two hundred seventy-two thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 167 171 334 342 501 513 1002 1026 1503 3006 3173 4509 6346 9018 9519 19038 28557 30181 57114 60362 85671 90543 171342 181086 271629 543258 573439 814887 1146878 1629774 1720317 3440634 5040227 5160951 10080454 10321902 15120681 15482853 30241362 30965706 45362043 90724086 95764313 136086129 191528626 272172258 287292939 574585878 861878817 1723757634 2585636451 5171272902