Base | Representation |
---|---|
bin | 100100001101011001… |
… | …111111001101011111 |
3 | 10201100120212102210101 |
4 | 210031121333031133 |
5 | 1114111140400413 |
6 | 25505553121531 |
7 | 2544321222406 |
oct | 441531771537 |
9 | 121316772711 |
10 | 38879621983 |
11 | 155415954a4 |
12 | 76508592a7 |
13 | 3887c183a7 |
14 | 1c4b88663d |
15 | 1028477edd |
hex | 90d67f35f |
38879621983 has 8 divisors (see below), whose sum is σ = 39844284480. Its totient is φ = 37915739520.
The previous prime is 38879621947. The next prime is 38879621987. The reversal of 38879621983 is 38912697883.
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 38879621983 - 213 = 38879613791 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 (38879621987) 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, 93438 + ... + 294091.
It is an arithmetic number, because the mean of its divisors is an integer number (4980535560).
Almost surely, 238879621983 is an apocalyptic number.
38879621983 is a deficient number, since it is larger than the sum of its proper divisors (964662497).
38879621983 is a wasteful number, since it uses less digits than its factorization.
38879621983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390017.
The product of its digits is 31352832, while the sum is 64.
The spelling of 38879621983 in words is "thirty-eight billion, eight hundred seventy-nine million, six hundred twenty-one thousand, nine hundred eighty-three".
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