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38928682984 = 2323629205937
BaseRepresentation
bin100100010000010101…
…001000111111101000
310201111000011222211111
4210100111020333220
51114211220323414
625514504440104
72545455226402
oct442025107750
9121430158744
1038928682984
1115567254784
127665179034
133895135279
141c541b7b72
15102c9198c4
hex910548fe8

38928682984 has 16 divisors (see below), whose sum is σ = 72994724100. Its totient is φ = 19463423232.

The previous prime is 38928682951. The next prime is 38928682999. The reversal of 38928682984 is 48928682983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27232260484 + 11696422500 = 165022^2 + 108150^2 .

It is a super-2 number, since 2×389286829842 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86064 + ... + 292000.

Almost surely, 238928682984 is an apocalyptic number.

It is an amenable number.

38928682984 is a deficient number, since it is larger than the sum of its proper divisors (34066041116).

38928682984 is a wasteful number, since it uses less digits than its factorization.

38928682984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229572 (or 229568 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 67.

Subtracting 38928682984 from its reverse (48928682983), we obtain a palindrome (9999999999).

The spelling of 38928682984 in words is "thirty-eight billion, nine hundred twenty-eight million, six hundred eighty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 23629 47258 94516 189032 205937 411874 823748 1647496 4866085373 9732170746 19464341492 38928682984