Base | Representation |
---|---|
bin | 110101010000100101… |
… | …111011000000011001 |
3 | 12110121102212000021001 |
4 | 311100211323000121 |
5 | 1414104243140040 |
6 | 42134325145001 |
7 | 4063065604621 |
oct | 652045730031 |
9 | 173542760231 |
10 | 57186693145 |
11 | 22286440a7a |
12 | b0bb85b161 |
13 | 551495118a |
14 | 2aa6da7881 |
15 | 174a78a59a |
hex | d5097b019 |
57186693145 has 16 divisors (see below), whose sum is σ = 72247896000. Its totient is φ = 43334250048.
The previous prime is 57186693131. The next prime is 57186693163. The reversal of 57186693145 is 54139668175.
It is a cyclic number.
It is not a de Polignac number, because 57186693145 - 213 = 57186684953 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559846 + ... + 654064.
It is an arithmetic number, because the mean of its divisors is an integer number (4515493500).
Almost surely, 257186693145 is an apocalyptic number.
It is an amenable number.
57186693145 is a deficient number, since it is larger than the sum of its proper divisors (15061202855).
57186693145 is a wasteful number, since it uses less digits than its factorization.
57186693145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100632.
The product of its digits is 5443200, while the sum is 55.
The spelling of 57186693145 in words is "fifty-seven billion, one hundred eighty-six million, six hundred ninety-three thousand, one hundred forty-five".
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