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19168333068 = 22317223512
BaseRepresentation
bin10001110110100001…
…011000110100001100
31211110212121012200210
4101312201120310030
5303224043124233
612450015522420
71246003066653
oct216641306414
954425535623
1019168333068
11814702a385
12386b529410
131a662b8121
14cdba7619a
15772c3b163
hex476858d0c

19168333068 has 54 divisors (see below), whose sum is σ = 47532037588. Its totient is φ = 6011036800.

The previous prime is 19168333021. The next prime is 19168333097. The reversal of 19168333068 is 86033386191.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8152093 + ... + 8154443.

Almost surely, 219168333068 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 19168333068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23766018794).

19168333068 is an abundant number, since it is smaller than the sum of its proper divisors (28363704520).

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

19168333068 is an equidigital number, since it uses as much as digits as its factorization.

19168333068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

Multiplying 19168333068 by its sum of digits (48), we get a square (920079987264 = 9592082).

The spelling of 19168333068 in words is "nineteen billion, one hundred sixty-eight million, three hundred thirty-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 578 867 1156 1734 2351 3468 4702 7053 9404 14106 28212 39967 79934 119901 159868 239802 479604 679439 1358878 2038317 2717756 4076634 5527201 8153268 11054402 16581603 22108804 33163206 66326412 93962417 187924834 281887251 375849668 563774502 1127549004 1597361089 3194722178 4792083267 6389444356 9584166534 19168333068