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116195126681 is a prime number
BaseRepresentation
bin110110000110111000…
…1001110110110011001
3102002220211122000112102
41230031301032312121
53400431423023211
6125213532453145
711252265165164
oct1541561166631
9362824560472
10116195126681
1145307135517
121a62961a1b5
13ac59b34a3a
1458a3ca6adb
153050e25a3b
hex1b0dc4ed99

116195126681 has 2 divisors, whose sum is σ = 116195126682. Its totient is φ = 116195126680.

The previous prime is 116195126651. The next prime is 116195126687. The reversal of 116195126681 is 186621591611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112554211081 + 3640915600 = 335491^2 + 60340^2 .

It is a cyclic number.

It is not a de Polignac number, because 116195126681 - 26 = 116195126617 is a prime.

It is a super-2 number, since 2×1161951266812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116195126687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58097563340 + 58097563341.

It is an arithmetic number, because the mean of its divisors is an integer number (58097563341).

Almost surely, 2116195126681 is an apocalyptic number.

It is an amenable number.

116195126681 is a deficient number, since it is larger than the sum of its proper divisors (1).

116195126681 is an equidigital number, since it uses as much as digits as its factorization.

116195126681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 47.

The spelling of 116195126681 in words is "one hundred sixteen billion, one hundred ninety-five million, one hundred twenty-six thousand, six hundred eighty-one".