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10805549960 = 2352319161493
BaseRepresentation
bin10100001000000111…
…11001101110001000
31000220001112210221002
422010003321232020
5134112210044320
64544120234132
7531525442052
oct120403715610
930801483832
1010805549960
1146454a6687
12211690b948
13103286455a
147471348d2
1543397e675
hex2840f9b88

10805549960 has 64 divisors (see below), whose sum is σ = 25502791680. Its totient is φ = 4112584960.

The previous prime is 10805549947. The next prime is 10805550001. The reversal of 10805549960 is 6994550801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144974 + ... + 206466.

It is an arithmetic number, because the mean of its divisors is an integer number (398481120).

Almost surely, 210805549960 is an apocalyptic number.

10805549960 is a gapful number since it is divisible by the number (10) 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 10805549960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12751395840).

10805549960 is an abundant number, since it is smaller than the sum of its proper divisors (14697241720).

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

10805549960 is a wasteful number, since it uses less digits than its factorization.

10805549960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61718 (or 61714 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 10805549960 in words is "ten billion, eight hundred five million, five hundred forty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 191 230 382 460 764 920 955 1528 1910 3820 4393 7640 8786 17572 21965 35144 43930 61493 87860 122986 175720 245972 307465 491944 614930 1229860 1414339 2459720 2828678 5657356 7071695 11314712 11745163 14143390 23490326 28286780 46980652 56573560 58725815 93961304 117451630 234903260 270138749 469806520 540277498 1080554996 1350693745 2161109992 2701387490 5402774980 10805549960