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17140438168 = 2372978713411
BaseRepresentation
bin11111111011010011…
…00101010010011000
31122020112202110212021
433331221211102120
5240100423010133
611512455024224
71144520214640
oct177551452230
948215673767
1017140438168
1172a636a987
1233a436b074
131802125009
14b885d9520
156a4bb852d
hex3fda65498

17140438168 has 64 divisors (see below), whose sum is σ = 38047161600. Its totient is φ = 7083054720.

The previous prime is 17140438157. The next prime is 17140438201. The reversal of 17140438168 is 86183404171.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271383 + ... + 1284793.

It is an arithmetic number, because the mean of its divisors is an integer number (594486900).

Almost surely, 217140438168 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 17140438168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19023580800).

17140438168 is an abundant number, since it is smaller than the sum of its proper divisors (20906723432).

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

17140438168 is a wasteful number, since it uses less digits than its factorization.

17140438168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14240 (or 14236 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 17140438168 in words is "seventeen billion, one hundred forty million, four hundred thirty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 787 812 1574 1624 3148 5509 6296 11018 13411 22036 22823 26822 44072 45646 53644 91292 93877 107288 159761 182584 187754 319522 375508 388919 639044 751016 777838 1278088 1555676 2722433 3111352 5444866 10554457 10889732 21108914 21779464 42217828 73881199 84435656 147762398 295524796 306079253 591049592 612158506 1224317012 2142554771 2448634024 4285109542 8570219084 17140438168