Base | Representation |
---|---|
bin | 110010011010001000… |
… | …001101001110110001 |
3 | 12011201002120202100021 |
4 | 302122020031032301 |
5 | 1341322103401121 |
6 | 40510452123441 |
7 | 3624164510146 |
oct | 623210151661 |
9 | 164632522307 |
10 | 54125450161 |
11 | 20a554508a2 |
12 | a5a6606581 |
13 | 5147675cb3 |
14 | 28965bc3cd |
15 | 161bb4a641 |
hex | c9a20d3b1 |
54125450161 has 2 divisors, whose sum is σ = 54125450162. Its totient is φ = 54125450160.
The previous prime is 54125450123. The next prime is 54125450191. The reversal of 54125450161 is 16105452145.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45614280625 + 8511169536 = 213575^2 + 92256^2 .
It is a cyclic number.
It is not a de Polignac number, because 54125450161 - 29 = 54125449649 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is not a weakly prime, because it can be changed into another prime (54125450101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27062725080 + 27062725081.
It is an arithmetic number, because the mean of its divisors is an integer number (27062725081).
Almost surely, 254125450161 is an apocalyptic number.
It is an amenable number.
54125450161 is a deficient number, since it is larger than the sum of its proper divisors (1).
54125450161 is an equidigital number, since it uses as much as digits as its factorization.
54125450161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24000, while the sum is 34.
The spelling of 54125450161 in words is "fifty-four billion, one hundred twenty-five million, four hundred fifty thousand, one hundred sixty-one".
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