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195135111071 is a prime number
BaseRepresentation
bin1011010110111011110…
…1010111111110011111
3200122200022010201110222
42311232331113332133
511144114042023241
6225351022351555
720045426035235
oct2655675277637
9618608121428
10195135111071
117583575713a
123199a42b5bb
131552a478584
149631d50955
15512130aa4b
hex2d6ef57f9f

195135111071 has 2 divisors, whose sum is σ = 195135111072. Its totient is φ = 195135111070.

The previous prime is 195135111029. The next prime is 195135111091. The reversal of 195135111071 is 170111531591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195135111071 - 222 = 195130916767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195135111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97567555535 + 97567555536.

It is an arithmetic number, because the mean of its divisors is an integer number (97567555536).

Almost surely, 2195135111071 is an apocalyptic number.

195135111071 is a deficient number, since it is larger than the sum of its proper divisors (1).

195135111071 is an equidigital number, since it uses as much as digits as its factorization.

195135111071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 35.

The spelling of 195135111071 in words is "one hundred ninety-five billion, one hundred thirty-five million, one hundred eleven thousand, seventy-one".