Base | Representation |
---|---|
bin | 10001100100000000110110… |
… | …10111010111111010110101 |
3 | 12001202010001022021122021022 |
4 | 20302000123113113322311 |
5 | 20030230402042201444 |
6 | 214050053005430525 |
7 | 11064155360225264 |
oct | 1062003327277265 |
9 | 161663038248238 |
10 | 38620805037749 |
11 | 1133aa9a668660 |
12 | 43b8b7956b445 |
13 | 1871c0709341c |
14 | 9773850725db |
15 | 46e9383479ee |
hex | 23201b5d7eb5 |
38620805037749 has 8 divisors (see below), whose sum is σ = 42134099544192. Its totient is φ = 35107895903040.
The previous prime is 38620805037719. The next prime is 38620805037761. The reversal of 38620805037749 is 94773050802683.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38620805037749 - 212 = 38620805033653 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38620805037691 and 38620805037700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38620805037709) 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, 96133364 + ... + 96534269.
It is an arithmetic number, because the mean of its divisors is an integer number (5266762443024).
Almost surely, 238620805037749 is an apocalyptic number.
It is an amenable number.
38620805037749 is a deficient number, since it is larger than the sum of its proper divisors (3513294506443).
38620805037749 is a wasteful number, since it uses less digits than its factorization.
38620805037749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192685867.
The product of its (nonzero) digits is 60963840, while the sum is 62.
The spelling of 38620805037749 in words is "thirty-eight trillion, six hundred twenty billion, eight hundred five million, thirty-seven thousand, seven hundred forty-nine".
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