Base | Representation |
---|---|
bin | 110010011010111010… |
… | …101011111100001001 |
3 | 12011202000111001120210 |
4 | 302122322223330021 |
5 | 1341334000330040 |
6 | 40512043511333 |
7 | 3624415133241 |
oct | 623272537411 |
9 | 164660431523 |
10 | 54138683145 |
11 | 20a61969a48 |
12 | a5aab28549 |
13 | 514a32a271 |
14 | 2898264b21 |
15 | 161cdb1480 |
hex | c9aeabf09 |
54138683145 has 32 divisors (see below), whose sum is σ = 87299280000. Its totient is φ = 28648848384.
The previous prime is 54138683129. The next prime is 54138683213.
54138683145 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54138683145 - 24 = 54138683129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54138683094 and 54138683103.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274001 + ... + 1315809.
It is an arithmetic number, because the mean of its divisors is an integer number (2728102500).
Almost surely, 254138683145 is an apocalyptic number.
It is an amenable number.
54138683145 is a deficient number, since it is larger than the sum of its proper divisors (33160596855).
54138683145 is a wasteful number, since it uses less digits than its factorization.
54138683145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42489.
The product of its digits is 1382400, while the sum is 48.
The spelling of 54138683145 in words is "fifty-four billion, one hundred thirty-eight million, six hundred eighty-three thousand, one hundred forty-five".
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