Base | Representation |
---|---|
bin | 10001011011111101011001… |
… | …11101000110000001010011 |
3 | 12000202122202111102101000010 |
4 | 20231332230331012001103 |
5 | 20011212131113413422 |
6 | 213315005203130003 |
7 | 11035160626455501 |
oct | 1055765475060123 |
9 | 160678674371003 |
10 | 38344074747987 |
11 | 112436a3627048 |
12 | 4373409073903 |
13 | 1851aa5177938 |
14 | 967c12589671 |
15 | 46763d9c2b0c |
hex | 22dfacf46053 |
38344074747987 has 8 divisors (see below), whose sum is σ = 51125819557120. Its totient is φ = 25562523218760.
The previous prime is 38344074747977. The next prime is 38344074748003. The reversal of 38344074747987 is 78974747044383.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38344074747987 - 219 = 38344074223699 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38344074747977) 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, 47856439 + ... + 48651072.
It is an arithmetic number, because the mean of its divisors is an integer number (6390727444640).
Almost surely, 238344074747987 is an apocalyptic number.
38344074747987 is a deficient number, since it is larger than the sum of its proper divisors (12781744809133).
38344074747987 is a wasteful number, since it uses less digits than its factorization.
38344074747987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96639953.
The product of its (nonzero) digits is 3186376704, while the sum is 75.
The spelling of 38344074747987 in words is "thirty-eight trillion, three hundred forty-four billion, seventy-four million, seven hundred forty-seven thousand, nine hundred eighty-seven".
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