Base | Representation |
---|---|
bin | 100100001010111011… |
… | …000110101011000101 |
3 | 10201020200111101021120 |
4 | 210022323012223011 |
5 | 1114020010043103 |
6 | 25501504304153 |
7 | 2543304212025 |
oct | 441273065305 |
9 | 121220441246 |
10 | 38837971653 |
11 | 15520027a38 |
12 | 763a912059 |
13 | 387c3c4620 |
14 | 1c46123a85 |
15 | 102499c253 |
hex | 90aec6ac5 |
38837971653 has 16 divisors (see below), whose sum is σ = 55772994816. Its totient is φ = 23897868480.
The previous prime is 38837971637. The next prime is 38837971699. The reversal of 38837971653 is 35617973883.
It is not a de Polignac number, because 38837971653 - 24 = 38837971637 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38837971453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387483 + ... + 477303.
It is an arithmetic number, because the mean of its divisors is an integer number (3485812176).
Almost surely, 238837971653 is an apocalyptic number.
It is an amenable number.
38837971653 is a deficient number, since it is larger than the sum of its proper divisors (16935023163).
38837971653 is a wasteful number, since it uses less digits than its factorization.
38837971653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100924.
The product of its digits is 22861440, while the sum is 60.
The spelling of 38837971653 in words is "thirty-eight billion, eight hundred thirty-seven million, nine hundred seventy-one thousand, six hundred fifty-three".
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