Search a number
-
+
130646055257 is a prime number
BaseRepresentation
bin111100110101100011…
…1001001100101011001
3110111012221121020211022
41321223013021211121
54120030342232012
6140003514212225
712303350101244
oct1715307114531
9414187536738
10130646055257
1150452323aa3
12213a1124075
13c4209a7153
14647520025b
1535e992c472
hex1e6b1c9959

130646055257 has 2 divisors, whose sum is σ = 130646055258. Its totient is φ = 130646055256.

The previous prime is 130646055143. The next prime is 130646055277. The reversal of 130646055257 is 752550646031.

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., 103696236361 + 26949818896 = 322019^2 + 164164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130646055257 is a prime.

It is not a weakly prime, because it can be changed into another prime (130646055277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65323027628 + 65323027629.

It is an arithmetic number, because the mean of its divisors is an integer number (65323027629).

Almost surely, 2130646055257 is an apocalyptic number.

It is an amenable number.

130646055257 is a deficient number, since it is larger than the sum of its proper divisors (1).

130646055257 is an equidigital number, since it uses as much as digits as its factorization.

130646055257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 130646055257 in words is "one hundred thirty billion, six hundred forty-six million, fifty-five thousand, two hundred fifty-seven".