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9960885820 = 2251788733029
BaseRepresentation
bin10010100011011011…
…10000111000111100
3221201012011102120001
421101231300320330
5130344441321240
64324224204044
7501561063304
oct112155607074
927635142501
109960885820
114251729a46
121b1ba69624
13c29873ba2
146a6ca0604
153d473389a
hex251b70e3c

9960885820 has 48 divisors (see below), whose sum is σ = 22173963840. Its totient is φ = 3745639424.

The previous prime is 9960885713. The next prime is 9960885889. The reversal of 9960885820 is 285880699.

9960885820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285066 + ... + 318094.

It is an arithmetic number, because the mean of its divisors is an integer number (461957580).

Almost surely, 29960885820 is an apocalyptic number.

It is an amenable number.

9960885820 is an abundant number, since it is smaller than the sum of its proper divisors (12213078020).

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

9960885820 is a wasteful number, since it uses less digits than its factorization.

9960885820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33942 (or 33940 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 9960885820 is about 99804.2374851890. The cubic root of 9960885820 is about 2151.6220548320.

The spelling of 9960885820 in words is "nine billion, nine hundred sixty million, eight hundred eighty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 887 1774 3548 4435 8870 15079 17740 30158 33029 60316 66058 75395 132116 150790 165145 301580 330290 561493 660580 1122986 2245972 2807465 5614930 11229860 29296723 58593446 117186892 146483615 292967230 498044291 585934460 996088582 1992177164 2490221455 4980442910 9960885820