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38989547372 = 2231331141811
BaseRepresentation
bin100100010011111101…
…010100011101101100
310201122020201020002002
4210103331110131230
51114322311003442
625524521151432
72550124453526
oct442375243554
9121566636062
1038989547372
1115598646026
12768162b578
1338a49257b9
141c5c2dca16
151032e3d732
hex913f5476c

38989547372 has 12 divisors (see below), whose sum is σ = 68449702776. Its totient is φ = 19432489440.

The previous prime is 38989547369. The next prime is 38989547473. The reversal of 38989547372 is 27374598983.

It is a junction number, because it is equal to n+sod(n) for n = 38989547299 and 38989547308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15569654 + ... + 15572157.

It is an arithmetic number, because the mean of its divisors is an integer number (5704141898).

Almost surely, 238989547372 is an apocalyptic number.

It is an amenable number.

38989547372 is a deficient number, since it is larger than the sum of its proper divisors (29460155404).

38989547372 is a wasteful number, since it uses less digits than its factorization.

38989547372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31142128 (or 31142126 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 65.

The spelling of 38989547372 in words is "thirty-eight billion, nine hundred eighty-nine million, five hundred forty-seven thousand, three hundred seventy-two".

Divisors: 1 2 4 313 626 1252 31141811 62283622 124567244 9747386843 19494773686 38989547372