Base | Representation |
---|---|
bin | 110011001101010110… |
… | …100111000001010111 |
3 | 12020220222201111021012 |
4 | 303031112213001113 |
5 | 1400102111120311 |
6 | 41132032242435 |
7 | 3654401426312 |
oct | 631526470127 |
9 | 166828644235 |
10 | 54984863831 |
11 | 21356582027 |
12 | a7a63a041b |
13 | 525372bcb1 |
14 | 29387b1979 |
15 | 166c30b78b |
hex | ccd5a7057 |
54984863831 has 2 divisors, whose sum is σ = 54984863832. Its totient is φ = 54984863830.
The previous prime is 54984863807. The next prime is 54984863861. The reversal of 54984863831 is 13836848945.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54984863831 is a prime.
It is a super-2 number, since 2×549848638312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54984863861) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27492431915 + 27492431916.
It is an arithmetic number, because the mean of its divisors is an integer number (27492431916).
Almost surely, 254984863831 is an apocalyptic number.
54984863831 is a deficient number, since it is larger than the sum of its proper divisors (1).
54984863831 is an equidigital number, since it uses as much as digits as its factorization.
54984863831 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 19906560, while the sum is 59.
The spelling of 54984863831 in words is "fifty-four billion, nine hundred eighty-four million, eight hundred sixty-three thousand, eight hundred thirty-one".
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