Search a number
-
+
17749034980 = 22517918732647
BaseRepresentation
bin10000100001111011…
…001100011111100100
31200210221221101201221
4100201323030133210
5242322223104410
612053115230124
71165560210445
oct204173143744
950727841657
1017749034980
11758895a756
123534148344
13189b240881
14c0537d2cc
156dd3334da
hex421ecc7e4

17749034980 has 48 divisors (see below), whose sum is σ = 37515381120. Its totient is φ = 7053516288.

The previous prime is 17749034969. The next prime is 17749034993. The reversal of 17749034980 is 8943094771.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6704017 + ... + 6706663.

It is an arithmetic number, because the mean of its divisors is an integer number (781570440).

Almost surely, 217749034980 is an apocalyptic number.

17749034980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17749034980 is an abundant number, since it is smaller than the sum of its proper divisors (19766346140).

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

17749034980 is a wasteful number, since it uses less digits than its factorization.

17749034980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4706 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 17749034980 in words is "seventeen billion, seven hundred forty-nine million, thirty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 1873 2647 3580 3746 5294 7492 9365 10588 13235 18730 26470 37460 52940 335267 473813 670534 947626 1341068 1676335 1895252 2369065 3352670 4738130 4957831 6705340 9476260 9915662 19831324 24789155 49578310 99156620 887451749 1774903498 3549806996 4437258745 8874517490 17749034980