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130789377881 is a prime number
BaseRepresentation
bin111100111001110100…
…1111000011101011001
3110111120221021210111122
41321303221320131121
54120324040043011
6140030034135025
712310040240411
oct1716351703531
9414527253448
10130789377881
1150516215448
1221421121475
13c4445a8936
14648a26b641
1536072dd3db
hex1e73a78759

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".