Base | Representation |
---|---|
bin | 10001011101001110110000… |
… | …11111001101000110110101 |
3 | 12000220211111122010001201111 |
4 | 20232213120133031012311 |
5 | 20012421110211030112 |
6 | 213351031401555021 |
7 | 11041265230602013 |
oct | 1056473037150665 |
9 | 160824448101644 |
10 | 38387754783157 |
11 | 11260178898a6a |
12 | 437b9794a5a71 |
13 | 1855c467806b0 |
14 | 969d977bb8b3 |
15 | 4688485ca5a7 |
hex | 22e9d87cd1b5 |
38387754783157 has 8 divisors (see below), whose sum is σ = 43138078953984. Its totient is φ = 33894204891888.
The previous prime is 38387754783143. The next prime is 38387754783199. The reversal of 38387754783157 is 75138745778383.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38387754783157 - 27 = 38387754783029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38387754783137) 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, 64193569573 + ... + 64193570170.
It is an arithmetic number, because the mean of its divisors is an integer number (5392259869248).
Almost surely, 238387754783157 is an apocalyptic number.
It is an amenable number.
38387754783157 is a deficient number, since it is larger than the sum of its proper divisors (4750324170827).
38387754783157 is a wasteful number, since it uses less digits than its factorization.
38387754783157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128387139779.
The product of its digits is 3319142400, while the sum is 76.
The spelling of 38387754783157 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-four million, seven hundred eighty-three thousand, one hundred fifty-seven".
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