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6868421424 = 2432167285613
BaseRepresentation
bin1100110010110001…
…11100101100110000
3122201200010221220200
412121120330230300
5103031303441144
63053314035200
7332130422154
oct63130745460
918650127820
106868421424
112a05054747
1213b8278b00
13855c86ab7
144922a9064
152a2ec7c69
hex19963cb30

6868421424 has 60 divisors (see below), whose sum is σ = 19337210256. Its totient is φ = 2275756416.

The previous prime is 6868421423. The next prime is 6868421449. The reversal of 6868421424 is 4241248686.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6868421424.

It is not an unprimeable number, because it can be changed into a prime (6868421423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118759 + ... + 166854.

Almost surely, 26868421424 is an apocalyptic number.

It is an amenable number.

6868421424 is an abundant number, since it is smaller than the sum of its proper divisors (12468788832).

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

6868421424 is a wasteful number, since it uses less digits than its factorization.

6868421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285794 (or 285785 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 6868421424 is about 82875.9399584705. The cubic root of 6868421424 is about 1900.8695395732.

The spelling of 6868421424 in words is "six billion, eight hundred sixty-eight million, four hundred twenty-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 167 334 501 668 1002 1336 1503 2004 2672 3006 4008 6012 8016 12024 24048 285613 571226 856839 1142452 1713678 2284904 2570517 3427356 4569808 5141034 6854712 10282068 13709424 20564136 41128272 47697371 95394742 143092113 190789484 286184226 381578968 429276339 572368452 763157936 858552678 1144736904 1717105356 2289473808 3434210712 6868421424