Base | Representation |
---|---|
bin | 110101111001010001… |
… | …100010011010011011 |
3 | 12112101000010201202121 |
4 | 311321101202122123 |
5 | 1422004004343022 |
6 | 42330150042111 |
7 | 4116024133444 |
oct | 657121423233 |
9 | 175330121677 |
10 | 57869215387 |
11 | 225a6733045 |
12 | b270349337 |
13 | 55c31811a9 |
14 | 2b2d8b22cb |
15 | 178a6592c7 |
hex | d7946269b |
57869215387 has 8 divisors (see below), whose sum is σ = 58265013920. Its totient is φ = 57473582400.
The previous prime is 57869215337. The next prime is 57869215399. The reversal of 57869215387 is 78351296875.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57869215387 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57869215337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706039 + ... + 783727.
It is an arithmetic number, because the mean of its divisors is an integer number (7283126740).
Almost surely, 257869215387 is an apocalyptic number.
57869215387 is a deficient number, since it is larger than the sum of its proper divisors (395798533).
57869215387 is a wasteful number, since it uses less digits than its factorization.
57869215387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82773.
The product of its digits is 25401600, while the sum is 61.
The spelling of 57869215387 in words is "fifty-seven billion, eight hundred sixty-nine million, two hundred fifteen thousand, three hundred eighty-seven".
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