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6811748020 = 22571117260189
BaseRepresentation
bin1100101100000001…
…10000011010110100
3122120201111122121201
412112000300122310
5102422301414040
63043531222244
7330541621450
oct62600603264
918521448551
106811748020
112986066120
1213a12a7984
1384730303c
14488955660
1529d030a9a
hex1960306b4

6811748020 has 96 divisors (see below), whose sum is σ = 18883549440. Its totient is φ = 1998243840.

The previous prime is 6811747993. The next prime is 6811748029. The reversal of 6811748020 is 208471186.

It is a super-2 number, since 2×68117480202 = 92799822175947840800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811748029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103915 + ... + 156274.

It is an arithmetic number, because the mean of its divisors is an integer number (196703640).

Almost surely, 26811748020 is an apocalyptic number.

It is an amenable number.

6811748020 is an abundant number, since it is smaller than the sum of its proper divisors (12071801420).

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

6811748020 is a wasteful number, since it uses less digits than its factorization.

6811748020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260233 (or 260231 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 6811748020 is about 82533.3146068907. The cubic root of 6811748020 is about 1895.6268786470.

The spelling of 6811748020 in words is "six billion, eight hundred eleven million, seven hundred forty-eight thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 17 20 22 28 34 35 44 55 68 70 77 85 110 119 140 154 170 187 220 238 308 340 374 385 476 595 748 770 935 1190 1309 1540 1870 2380 2618 3740 5236 6545 13090 26180 260189 520378 1040756 1300945 1821323 2601890 2862079 3642646 4423213 5203780 5724158 7285292 8846426 9106615 11448316 14310395 17692852 18213230 20034553 22116065 28620790 30962491 36426460 40069106 44232130 48655343 57241580 61924982 80138212 88464260 97310686 100172765 123849964 154812455 194621372 200345530 243276715 309624910 340587401 400691060 486553430 619249820 681174802 973106860 1362349604 1702937005 3405874010 6811748020