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2729201080 = 2351741531847
BaseRepresentation
bin1010001010101100…
…0100110110111000
321001012110210001111
42202223010312320
521042133413310
61130452130104
7124426553314
oct24253046670
97035423044
102729201080
111180621191
12642006934
1334656bba8
141bc674b44
1510e90228a
hexa2ac4db8

2729201080 has 128 divisors (see below), whose sum is σ = 6789847680. Its totient is φ = 982958080.

The previous prime is 2729201053. The next prime is 2729201081. The reversal of 2729201080 is 801029272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729201081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1476717 + ... + 1478563.

It is an arithmetic number, because the mean of its divisors is an integer number (53045685).

Almost surely, 22729201080 is an apocalyptic number.

2729201080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2729201080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3394923840).

2729201080 is an abundant number, since it is smaller than the sum of its proper divisors (4060646600).

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

2729201080 is a wasteful number, since it uses less digits than its factorization.

2729201080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2729201080 is about 52241.7560960579. The cubic root of 2729201080 is about 1397.4786386947.

The spelling of 2729201080 in words is "two billion, seven hundred twenty-nine million, two hundred one thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 41 53 68 82 85 106 136 164 170 205 212 265 328 340 410 424 530 680 697 820 901 1060 1394 1640 1802 1847 2120 2173 2788 3485 3604 3694 4346 4505 5576 6970 7208 7388 8692 9010 9235 10865 13940 14776 17384 18020 18470 21730 27880 31399 36040 36940 36941 43460 62798 73880 73882 75727 86920 97891 125596 147764 151454 156995 184705 195782 251192 295528 302908 313990 369410 378635 391564 489455 605816 627980 738820 757270 783128 978910 1255960 1287359 1477640 1514540 1664147 1957820 2574718 3029080 3328294 3915640 4013531 5149436 6436795 6656588 8027062 8320735 10298872 12873590 13313176 16054124 16641470 20067655 25747180 32108248 33282940 40135310 51494360 66565880 68230027 80270620 136460054 160541240 272920108 341150135 545840216 682300270 1364600540 2729201080