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6138838873 = 17264732831
BaseRepresentation
bin1011011011110011…
…10011111101011001
3120211211022022210201
411231321303331121
5100033020320443
62453052342201
7305061161266
oct55571637531
916754268721
106138838873
11267023a562
121233a74961
1376aa8a74b
1442343026d
1525de1034d
hex16de73f59

6138838873 has 12 divisors (see below), whose sum is σ = 6531466752. Its totient is φ = 5768624960.

The previous prime is 6138838841. The next prime is 6138838919. The reversal of 6138838873 is 3788388316.

It is not a de Polignac number, because 6138838873 - 25 = 6138838841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6138838073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170568 + ... + 203398.

It is an arithmetic number, because the mean of its divisors is an integer number (544288896).

Almost surely, 26138838873 is an apocalyptic number.

It is an amenable number.

6138838873 is a deficient number, since it is larger than the sum of its proper divisors (392627879).

6138838873 is a wasteful number, since it uses less digits than its factorization.

6138838873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33512 (or 33495 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 6138838873 is about 78350.7426448531. The cubic root of 6138838873 is about 1831.0297958410.

The spelling of 6138838873 in words is "six billion, one hundred thirty-eight million, eight hundred thirty-eight thousand, eight hundred seventy-three".

Divisors: 1 17 289 647 10999 32831 186983 558127 9488159 21241657 361108169 6138838873