Base | Representation |
---|---|
bin | 111110110100111… |
… | …001110001111101 |
3 | 2201110101120101102 |
4 | 332310321301331 |
5 | 4124314234144 |
6 | 252332022445 |
7 | 35056216151 |
oct | 7664716175 |
9 | 2643346342 |
10 | 1054055549 |
11 | 4a0a94598 |
12 | 255001a25 |
13 | 13a4b5511 |
14 | 9ddbd061 |
15 | 6280cb4e |
hex | 3ed39c7d |
1054055549 has 2 divisors, whose sum is σ = 1054055550. Its totient is φ = 1054055548.
The previous prime is 1054055507. The next prime is 1054055551. The reversal of 1054055549 is 9455504501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 853691524 + 200364025 = 29218^2 + 14155^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1054055549 is a prime.
It is a super-2 number, since 2×10540555492 = 2222066200755382802, which contains 22 as substring.
Together with 1054055551, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1054055579) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527027774 + 527027775.
It is an arithmetic number, because the mean of its divisors is an integer number (527027775).
Almost surely, 21054055549 is an apocalyptic number.
It is an amenable number.
1054055549 is a deficient number, since it is larger than the sum of its proper divisors (1).
1054055549 is an equidigital number, since it uses as much as digits as its factorization.
1054055549 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 90000, while the sum is 38.
The square root of 1054055549 is about 32466.2216619058. The cubic root of 1054055549 is about 1017.7032614349.
The spelling of 1054055549 in words is "one billion, fifty-four million, fifty-five thousand, five hundred forty-nine".
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