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8949943020 = 2235271550427
BaseRepresentation
bin10000101010111010…
…10100101011101100
3212002201220012202010
420111131110223230
5121312141134040
64040032201220
7434534155224
oct102535245354
925081805663
108949943020
113883011727
121899399210
13ac82a4c95
1460c905084
15375adee80
hex215754aec

8949943020 has 48 divisors (see below), whose sum is σ = 25152357888. Its totient is φ = 2377840320.

The previous prime is 8949943003. The next prime is 8949943069. The reversal of 8949943020 is 203499498.

8949943020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×89499430202 (a number of 21 digits) contains 22 as substring.

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, 258954 + ... + 291473.

It is an arithmetic number, because the mean of its divisors is an integer number (524007456).

Almost surely, 28949943020 is an apocalyptic number.

It is an amenable number.

8949943020 is an abundant number, since it is smaller than the sum of its proper divisors (16202414868).

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

8949943020 is a wasteful number, since it uses less digits than its factorization.

8949943020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550710 (or 550708 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 8949943020 is about 94604.1384929856. The cubic root of 8949943020 is about 2076.2202544368.

The spelling of 8949943020 in words is "eight billion, nine hundred forty-nine million, nine hundred forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 271 542 813 1084 1355 1626 2710 3252 4065 5420 8130 16260 550427 1100854 1651281 2201708 2752135 3302562 5504270 6605124 8256405 11008540 16512810 33025620 149165717 298331434 447497151 596662868 745828585 894994302 1491657170 1789988604 2237485755 2983314340 4474971510 8949943020