Base | Representation |
---|---|
bin | 100011110001111111… |
… | …001001110011011001 |
3 | 10200011112021000220021 |
4 | 203301333021303121 |
5 | 1112140404241044 |
6 | 25352201230441 |
7 | 2530034143231 |
oct | 436177116331 |
9 | 120145230807 |
10 | 38419602649 |
11 | 1532595612a |
12 | 7542792421 |
13 | 38138210bc |
14 | 1c0673acc1 |
15 | eecdaae84 |
hex | 8f1fc9cd9 |
38419602649 has 4 divisors (see below), whose sum is σ = 38778664464. Its totient is φ = 38060540836.
The previous prime is 38419602647. The next prime is 38419602673. The reversal of 38419602649 is 94620691483.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94620691483 = 883 ⋅107158201.
It is a cyclic number.
It is not a de Polignac number, because 38419602649 - 21 = 38419602647 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38419602596 and 38419602605.
It is not an unprimeable number, because it can be changed into a prime (38419602647) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179530747 + ... + 179530960.
It is an arithmetic number, because the mean of its divisors is an integer number (9694666116).
Almost surely, 238419602649 is an apocalyptic number.
It is an amenable number.
38419602649 is a deficient number, since it is larger than the sum of its proper divisors (359061815).
38419602649 is a wasteful number, since it uses less digits than its factorization.
38419602649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359061814.
The product of its (nonzero) digits is 2239488, while the sum is 52.
The spelling of 38419602649 in words is "thirty-eight billion, four hundred nineteen million, six hundred two thousand, six hundred forty-nine".
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