Base | Representation |
---|---|
bin | 110101001101110001… |
… | …000011100100000111 |
3 | 12110111010122011211122 |
4 | 311031301003210013 |
5 | 1414010123431020 |
6 | 42125513024155 |
7 | 4061651603360 |
oct | 651561034407 |
9 | 173433564748 |
10 | 57139280135 |
11 | 222616a7973 |
12 | b0a79b505b |
13 | 5507b90442 |
14 | 2aa0984b67 |
15 | 1746522125 |
hex | d4dc43907 |
57139280135 has 16 divisors (see below), whose sum is σ = 80890263552. Its totient is φ = 37917309600.
The previous prime is 57139280131. The next prime is 57139280137. The reversal of 57139280135 is 53108293175.
It is not a de Polignac number, because 57139280135 - 22 = 57139280131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57139280131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26330381 + ... + 26332550.
It is an arithmetic number, because the mean of its divisors is an integer number (5055641472).
Almost surely, 257139280135 is an apocalyptic number.
57139280135 is a deficient number, since it is larger than the sum of its proper divisors (23750983417).
57139280135 is a wasteful number, since it uses less digits than its factorization.
57139280135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52662974.
The product of its (nonzero) digits is 226800, while the sum is 44.
The spelling of 57139280135 in words is "fifty-seven billion, one hundred thirty-nine million, two hundred eighty thousand, one hundred thirty-five".
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