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6838979328 = 28322968307
BaseRepresentation
bin1100101111010001…
…01000101100000000
3122122121202010221200
412113220220230000
5103001234314303
63050343021200
7331322236146
oct62750505400
918577663850
106838979328
11299a475435
1213aa43a800
1384cb48a3c
1448c403596
152a060e3a3
hex197a28b00

6838979328 has 54 divisors (see below), whose sum is σ = 19718470044. Its totient is φ = 2279659008.

The previous prime is 6838979327. The next prime is 6838979341. The reversal of 6838979328 is 8239798386.

It is a super-2 number, since 2×68389793282 = 93543276497622663168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6838979327) 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 5 ways as a sum of consecutive naturals, for example, 1481850 + ... + 1486457.

Almost surely, 26838979328 is an apocalyptic number.

It is an amenable number.

6838979328 is an abundant number, since it is smaller than the sum of its proper divisors (12879490716).

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

6838979328 is a wasteful number, since it uses less digits than its factorization.

6838979328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968329 (or 2968312 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 6838979328 is about 82698.1216715350. The cubic root of 6838979328 is about 1898.1495675868.

The spelling of 6838979328 in words is "six billion, eight hundred thirty-eight million, nine hundred seventy-nine thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 2968307 5936614 8904921 11873228 17809842 23746456 26714763 35619684 47492912 53429526 71239368 94985824 106859052 142478736 189971648 213718104 284957472 379943296 427436208 569914944 759886592 854872416 1139829888 1709744832 2279659776 3419489664 6838979328