Base | Representation |
---|---|
bin | 1010001101011100… |
… | …01100001010110001 |
3 | 112011000101002011102 |
4 | 11012232030022301 |
5 | 42211224342011 |
6 | 2303531054145 |
7 | 252556550552 |
oct | 50656141261 |
9 | 15130332142 |
10 | 5481480881 |
11 | 2363175798 |
12 | 108b8a1355 |
13 | 69482b616 |
14 | 39ddd6329 |
15 | 22136273b |
hex | 146b8c2b1 |
5481480881 has 2 divisors, whose sum is σ = 5481480882. Its totient is φ = 5481480880.
The previous prime is 5481480863. The next prime is 5481480919. The reversal of 5481480881 is 1880841845.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4810670881 + 670810000 = 69359^2 + 25900^2 .
It is a cyclic number.
It is not a de Polignac number, because 5481480881 - 26 = 5481480817 is a prime.
It is a super-2 number, since 2×54814808812 = 60093265297537072322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (5481480821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740740440 + 2740740441.
It is an arithmetic number, because the mean of its divisors is an integer number (2740740441).
Almost surely, 25481480881 is an apocalyptic number.
It is an amenable number.
5481480881 is a deficient number, since it is larger than the sum of its proper divisors (1).
5481480881 is an equidigital number, since it uses as much as digits as its factorization.
5481480881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 327680, while the sum is 47.
The square root of 5481480881 is about 74037.0237178670. The cubic root of 5481480881 is about 1763.1907598471.
The spelling of 5481480881 in words is "five billion, four hundred eighty-one million, four hundred eighty thousand, eight hundred eighty-one".
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