Base | Representation |
---|---|
bin | 1110001101101101110… |
… | …10010101001101011111 |
3 | 1201200122102212010221101 |
4 | 13012312322111031133 |
5 | 31000220403031431 |
6 | 1012211244013531 |
7 | 50200002630241 |
oct | 7066672251537 |
9 | 1650572763841 |
10 | 488400048991 |
11 | 179147105628 |
12 | 7a7a42312a7 |
13 | 37095b43c3a |
14 | 198d27c0091 |
15 | ca87585961 |
hex | 71b6e9535f |
488400048991 has 2 divisors, whose sum is σ = 488400048992. Its totient is φ = 488400048990.
The previous prime is 488400048989. The next prime is 488400049009. The reversal of 488400048991 is 199840004884.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 488400048991 - 21 = 488400048989 is a prime.
It is a super-2 number, since 2×4884000489912 (a number of 24 digits) contains 22 as substring.
Together with 488400048989, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (488400046991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244200024495 + 244200024496.
It is an arithmetic number, because the mean of its divisors is an integer number (244200024496).
Almost surely, 2488400048991 is an apocalyptic number.
488400048991 is a deficient number, since it is larger than the sum of its proper divisors (1).
488400048991 is an equidigital number, since it uses as much as digits as its factorization.
488400048991 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2654208, while the sum is 55.
The spelling of 488400048991 in words is "four hundred eighty-eight billion, four hundred million, forty-eight thousand, nine hundred ninety-one".
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