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3872875680 = 2535599611
BaseRepresentation
bin1110011011010111…
…0110010010100000
3100222220111110200000
43212311312102200
530412424010210
61440145100000
7164654620512
oct34665662240
910886443600
103872875680
111708156903
12901027600
134994a1b1b
1428a501bb2
1517a013ac0
hexe6d764a0

3872875680 has 144 divisors (see below), whose sum is σ = 13705814304. Its totient is φ = 1032756480.

The previous prime is 3872875661. The next prime is 3872875693. The reversal of 3872875680 is 865782783.

3872875680 is a `hidden beast` number, since 3 + 8 + 72 + 8 + 7 + 568 + 0 = 666.

3872875680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10926 + ... + 88685.

It is an arithmetic number, because the mean of its divisors is an integer number (95179266).

Almost surely, 23872875680 is an apocalyptic number.

3872875680 is a gapful number since it is divisible by the number (30) 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 3872875680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6852907152).

3872875680 is an abundant number, since it is smaller than the sum of its proper divisors (9832938624).

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

3872875680 is an equidigital number, since it uses as much as digits as its factorization.

3872875680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99641 (or 99621 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 3872875680 is about 62232.4327019280. The cubic root of 3872875680 is about 1570.4032501708.

The spelling of 3872875680 in words is "three billion, eight hundred seventy-two million, eight hundred seventy-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 540 648 720 810 864 972 1080 1215 1296 1440 1620 1944 2160 2430 2592 3240 3888 4320 4860 6480 7776 9720 12960 19440 38880 99611 199222 298833 398444 498055 597666 796888 896499 996110 1195332 1494165 1593776 1792998 1992220 2390664 2689497 2988330 3187552 3585996 3984440 4482495 4781328 5378994 5976660 7171992 7968880 8068491 8964990 9562656 10757988 11953320 13447485 14343984 15937760 16136982 17929980 21515976 23906640 24205473 26894970 28687968 32273964 35859960 40342455 43031952 47813280 48410946 53789940 64547928 71719920 80684910 86063904 96821892 107579880 121027365 129095856 143439840 161369820 193643784 215159760 242054730 258191712 322739640 387287568 430319520 484109460 645479280 774575136 968218920 1290958560 1936437840 3872875680