Base | Representation |
---|---|
bin | 1110001111011001111… |
… | …11001011000101011011 |
3 | 1201202222122222122202102 |
4 | 13013230333023011123 |
5 | 31004100131203044 |
6 | 1012441253154015 |
7 | 50231330215523 |
oct | 7075477130533 |
9 | 1652878878672 |
10 | 489307287899 |
11 | 179572231651 |
12 | 7a9b802b90b |
13 | 371abaa34b1 |
14 | 1997b0a2683 |
15 | cadc04224e |
hex | 71ecfcb15b |
489307287899 has 2 divisors, whose sum is σ = 489307287900. Its totient is φ = 489307287898.
The previous prime is 489307287857. The next prime is 489307287919. The reversal of 489307287899 is 998782703984.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 489307287899 - 232 = 485012320603 is a prime.
It is not a weakly prime, because it can be changed into another prime (489307287809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244653643949 + 244653643950.
It is an arithmetic number, because the mean of its divisors is an integer number (244653643950).
Almost surely, 2489307287899 is an apocalyptic number.
489307287899 is a deficient number, since it is larger than the sum of its proper divisors (1).
489307287899 is an equidigital number, since it uses as much as digits as its factorization.
489307287899 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 438939648, while the sum is 74.
The spelling of 489307287899 in words is "four hundred eighty-nine billion, three hundred seven million, two hundred eighty-seven thousand, eight hundred ninety-nine".
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