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17996285328 = 2437192818967
BaseRepresentation
bin10000110000101010…
…011000010110010000
31201110012012000110020
4100300222120112100
5243324022112303
612133430503440
71204651621110
oct206052302620
951405160406
1017996285328
1176a548558a
1235a2b04b80
13190a52c858
14c2a141040
15704dc2a53
hex430a98590

17996285328 has 80 divisors (see below), whose sum is σ = 55928325120. Its totient is φ = 4871173248.

The previous prime is 17996285311. The next prime is 17996285369. The reversal of 17996285328 is 82358269971.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403100 + ... + 1415867.

It is an arithmetic number, because the mean of its divisors is an integer number (699104064).

Almost surely, 217996285328 is an apocalyptic number.

It is an amenable number.

17996285328 is an abundant number, since it is smaller than the sum of its proper divisors (37932039792).

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

17996285328 is a wasteful number, since it uses less digits than its factorization.

17996285328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819004 (or 2818998 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 17996285328 in words is "seventeen billion, nine hundred ninety-six million, two hundred eighty-five thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 2818967 5637934 8456901 11275868 16913802 19732769 22551736 33827604 39465538 45103472 53560373 59198307 67655208 78931076 107120746 118396614 135310416 157862152 160681119 214241492 236793228 315724304 321362238 374922611 428482984 473586456 642724476 749845222 856965968 947172912 1124767833 1285448952 1499690444 2249535666 2570897904 2999380888 4499071332 5998761776 8998142664 17996285328