Base | Representation |
---|---|
bin | 111100111001110100… |
… | …1111000011101011001 |
3 | 110111120221021210111122 |
4 | 1321303221320131121 |
5 | 4120324040043011 |
6 | 140030034135025 |
7 | 12310040240411 |
oct | 1716351703531 |
9 | 414527253448 |
10 | 130789377881 |
11 | 50516215448 |
12 | 21421121475 |
13 | c4445a8936 |
14 | 648a26b641 |
15 | 36072dd3db |
hex | 1e73a78759 |
130789377881 has 2 divisors, whose sum is σ = 130789377882. Its totient is φ = 130789377880.
The previous prime is 130789377839. The next prime is 130789377919. The reversal of 130789377881 is 188773987031.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 127102945225 + 3686432656 = 356515^2 + 60716^2 .
It is a cyclic number.
It is not a de Polignac number, because 130789377881 - 222 = 130785183577 is a prime.
It is a super-2 number, since 2×1307893778812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (130789377581) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65394688940 + 65394688941.
It is an arithmetic number, because the mean of its divisors is an integer number (65394688941).
Almost surely, 2130789377881 is an apocalyptic number.
It is an amenable number.
130789377881 is a deficient number, since it is larger than the sum of its proper divisors (1).
130789377881 is an equidigital number, since it uses as much as digits as its factorization.
130789377881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14224896, while the sum is 62.
The spelling of 130789377881 in words is "one hundred thirty billion, seven hundred eighty-nine million, three hundred seventy-seven thousand, eight hundred eighty-one".
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