Search a number
-
+
130777757993 is a prime number
BaseRepresentation
bin111100111001011110…
…1100011100100101001
3110111120010102110000102
41321302331203210221
54120313101223433
6140024541115145
712306536413241
oct1716275434451
9414503373012
10130777757993
115050a6a9233
1221419258ab5
13c44206a96c
1464888c4b21
1536062954e8
hex1e72f63929

130777757993 has 2 divisors, whose sum is σ = 130777757994. Its totient is φ = 130777757992.

The previous prime is 130777757989. The next prime is 130777758031. The reversal of 130777757993 is 399757777031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98236484329 + 32541273664 = 313427^2 + 180392^2 .

It is a cyclic number.

It is not a de Polignac number, because 130777757993 - 22 = 130777757989 is a prime.

It is not a weakly prime, because it can be changed into another prime (130777757293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65388878996 + 65388878997.

It is an arithmetic number, because the mean of its divisors is an integer number (65388878997).

Almost surely, 2130777757993 is an apocalyptic number.

It is an amenable number.

130777757993 is a deficient number, since it is larger than the sum of its proper divisors (1).

130777757993 is an equidigital number, since it uses as much as digits as its factorization.

130777757993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61261515, while the sum is 65.

The spelling of 130777757993 in words is "one hundred thirty billion, seven hundred seventy-seven million, seven hundred fifty-seven thousand, nine hundred ninety-three".