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38865409732 = 2288491098017
BaseRepresentation
bin100100001100100011…
…110001011011000100
310201022121010101020201
4210030203301123010
51114044021102412
625504324340244
72544056350312
oct441443613304
9121277111221
1038865409732
1115534568636
127647b44684
133884cb0486
141c49a270b2
1510270bbe57
hex90c8f16c4

38865409732 has 12 divisors (see below), whose sum is σ = 68022215100. Its totient is φ = 19430491136.

The previous prime is 38865409657. The next prime is 38865409753. The reversal of 38865409732 is 23790456883.

It can be written as a sum of positive squares in 2 ways, for example, as 15282893376 + 23582516356 = 123624^2 + 153566^2 .

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, 513613 + ... + 584404.

It is an arithmetic number, because the mean of its divisors is an integer number (5668517925).

Almost surely, 238865409732 is an apocalyptic number.

It is an amenable number.

38865409732 is a deficient number, since it is larger than the sum of its proper divisors (29156805368).

38865409732 is a wasteful number, since it uses less digits than its factorization.

38865409732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106870 (or 1106868 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 38865409732 in words is "thirty-eight billion, eight hundred sixty-five million, four hundred nine thousand, seven hundred thirty-two".

Divisors: 1 2 4 8849 17698 35396 1098017 2196034 4392068 9716352433 19432704866 38865409732