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17968602060 = 2233533275189
BaseRepresentation
bin10000101111000000…
…110001101111001100
31201101021002120011000
4100233000301233030
5243244430231220
612131001300300
71204164411633
oct205700615714
951337076130
1017968602060
117690897752
123595794690
131904889216
14c265b651a
15702755390
hex42f031bcc

17968602060 has 48 divisors (see below), whose sum is σ = 55902319200. Its totient is φ = 4791627072.

The previous prime is 17968602059. The next prime is 17968602073. The reversal of 17968602060 is 6020686971.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 17968601997 and 17968602015.

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, 16637055 + ... + 16638134.

It is an arithmetic number, because the mean of its divisors is an integer number (1164631650).

Almost surely, 217968602060 is an apocalyptic number.

17968602060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17968602060 is an abundant number, since it is smaller than the sum of its proper divisors (37933717140).

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

17968602060 is a wasteful number, since it uses less digits than its factorization.

17968602060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33275207 (or 33275199 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 17968602060 in words is "seventeen billion, nine hundred sixty-eight million, six hundred two thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 33275189 66550378 99825567 133100756 166375945 199651134 299476701 332751890 399302268 499127835 598953402 665503780 898430103 998255670 1197906804 1497383505 1796860206 1996511340 2994767010 3593720412 4492150515 5989534020 8984301030 17968602060