Base | Representation |
---|---|
bin | 10001011101001110010011… |
… | …00101100001101100011001 |
3 | 12000220210212012200200202021 |
4 | 20232213021211201230121 |
5 | 20012420102211011410 |
6 | 213350550511334441 |
7 | 11041256103613663 |
oct | 1056471145415431 |
9 | 160823765620667 |
10 | 38387504782105 |
11 | 1126005a764526 |
12 | 437b909821421 |
13 | 1855c06a3a68b |
14 | 969d72501533 |
15 | 468831695eda |
hex | 22e9c9961b19 |
38387504782105 has 16 divisors (see below), whose sum is σ = 46154370705984. Its totient is φ = 30650439718080.
The previous prime is 38387504782009. The next prime is 38387504782111. The reversal of 38387504782105 is 50128740578383.
It is a happy number.
It is not a de Polignac number, because 38387504782105 - 235 = 38353145043737 is a prime.
It is a super-2 number, since 2×383875047821052 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23866279 + ... + 25423891.
It is an arithmetic number, because the mean of its divisors is an integer number (2884648169124).
Almost surely, 238387504782105 is an apocalyptic number.
It is an amenable number.
38387504782105 is a deficient number, since it is larger than the sum of its proper divisors (7766865923879).
38387504782105 is a wasteful number, since it uses less digits than its factorization.
38387504782105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1567176.
The product of its (nonzero) digits is 45158400, while the sum is 61.
The spelling of 38387504782105 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred four million, seven hundred eighty-two thousand, one hundred five".
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