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17228900668 = 2273725764709
BaseRepresentation
bin10000000010111011…
…000010100100111100
31122110201012211121011
4100002323002210330
5240241044310133
611525335045004
71146643145050
oct200273024474
948421184534
1017228900668
1173412a1091
123409b10764
1318175591a5
14b96265c60
156ac83e6cd
hex402ec293c

17228900668 has 48 divisors (see below), whose sum is σ = 35527343040. Its totient is φ = 7156187136.

The previous prime is 17228900629. The next prime is 17228900669. The reversal of 17228900668 is 86600982271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17228900669) 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, 233898 + ... + 298606.

It is an arithmetic number, because the mean of its divisors is an integer number (740152980).

Almost surely, 217228900668 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 17228900668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17763671520).

17228900668 is an abundant number, since it is smaller than the sum of its proper divisors (18298442372).

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

17228900668 is a wasteful number, since it uses less digits than its factorization.

17228900668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65014 (or 65012 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 17228900668 in words is "seventeen billion, two hundred twenty-eight million, nine hundred thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 37 74 148 257 259 514 518 1028 1036 1799 3598 7196 9509 19018 38036 64709 66563 129418 133126 258836 266252 452963 905926 1811852 2394233 4788466 9576932 16630213 16759631 33260426 33519262 66520852 67038524 116411491 232822982 465645964 615317881 1230635762 2461271524 4307225167 8614450334 17228900668