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10805274080 = 255167404389
BaseRepresentation
bin10100001000000101…
…10110010111100000
31000220001000210111022
422010002312113200
5134112122232310
64544110305012
7531523212536
oct120402662740
930801023438
1010805274080
114645328387
1221167b8168
131032798b03
147470a2156
15433927a55
hex2840b65e0

10805274080 has 48 divisors (see below), whose sum is σ = 25680382560. Its totient is φ = 4296218112.

The previous prime is 10805274061. The next prime is 10805274083. The reversal of 10805274080 is 8047250801.

It is a self number, because there is not a number n which added to its sum of digits gives 10805274080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10805274083) 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 7 ways as a sum of consecutive naturals, for example, 175475 + ... + 228914.

It is an arithmetic number, because the mean of its divisors is an integer number (535007970).

Almost surely, 210805274080 is an apocalyptic number.

10805274080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10805274080 is an abundant number, since it is smaller than the sum of its proper divisors (14875108480).

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

10805274080 is a wasteful number, since it uses less digits than its factorization.

10805274080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404571 (or 404563 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 10805274080 in words is "ten billion, eight hundred five million, two hundred seventy-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 167 334 668 835 1336 1670 2672 3340 5344 6680 13360 26720 404389 808778 1617556 2021945 3235112 4043890 6470224 8087780 12940448 16175560 32351120 64702240 67532963 135065926 270131852 337664815 540263704 675329630 1080527408 1350659260 2161054816 2701318520 5402637040 10805274080