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38994776439 = 340573203909
BaseRepresentation
bin100100010100010001…
…010001000101110111
310201122121112220000020
4210110101101011313
51114330130321224
625525225220223
72550220062603
oct442421210567
9121577486006
1038994776439
11155a0597773
127683331673
1338a5a36918
141c5cca0503
151033622c79
hex914451177

38994776439 has 8 divisors (see below), whose sum is σ = 52005867120. Its totient is φ = 25990101696.

The previous prime is 38994776417. The next prime is 38994776453. The reversal of 38994776439 is 93467749983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38994776439 - 211 = 38994774391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38994776479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589784 + ... + 1614125.

It is an arithmetic number, because the mean of its divisors is an integer number (6500733390).

Almost surely, 238994776439 is an apocalyptic number.

38994776439 is a deficient number, since it is larger than the sum of its proper divisors (13011090681).

38994776439 is a wasteful number, since it uses less digits than its factorization.

38994776439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207969.

The product of its digits is 246903552, while the sum is 69.

The spelling of 38994776439 in words is "thirty-eight billion, nine hundred ninety-four million, seven hundred seventy-six thousand, four hundred thirty-nine".

Divisors: 1 3 4057 12171 3203909 9611727 12998258813 38994776439