Base | Representation |
---|---|
bin | 1100001110001… |
… | …0111010011011 |
3 | 10120110022222122 |
4 | 3003202322123 |
5 | 101110323313 |
6 | 5030411455 |
7 | 1161466136 |
oct | 303427233 |
9 | 116408878 |
10 | 51261083 |
11 | 26a32235 |
12 | 15200b8b |
13 | a80a403 |
14 | 6b4521d |
15 | 4778708 |
hex | 30e2e9b |
51261083 has 2 divisors, whose sum is σ = 51261084. Its totient is φ = 51261082.
The previous prime is 51261061. The next prime is 51261109. The reversal of 51261083 is 38016215.
It is an a-pointer prime, because the next prime (51261109) can be obtained adding 51261083 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51261083 - 26 = 51261019 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (51261013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25630541 + 25630542.
It is an arithmetic number, because the mean of its divisors is an integer number (25630542).
Almost surely, 251261083 is an apocalyptic number.
51261083 is a deficient number, since it is larger than the sum of its proper divisors (1).
51261083 is an equidigital number, since it uses as much as digits as its factorization.
51261083 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 51261083 is about 7159.6845600906. The cubic root of 51261083 is about 371.4747158013.
Adding to 51261083 its reverse (38016215), we get a palindrome (89277298).
The spelling of 51261083 in words is "fifty-one million, two hundred sixty-one thousand, eighty-three".
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