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136203630191 is a prime number
BaseRepresentation
bin111111011011001011…
…1100111011001101111
3111000120021011022101222
41332312113213121233
54212421112131231
6142323204253555
712561152516516
oct1766627473157
9430507138358
10136203630191
1152844442332
12224923a12bb
13cac81c9025
14684136367d
1538227c127b
hex1fb65e766f

136203630191 has 2 divisors, whose sum is σ = 136203630192. Its totient is φ = 136203630190.

The previous prime is 136203630137. The next prime is 136203630193. The reversal of 136203630191 is 191036302631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136203630191 - 226 = 136136521327 is a prime.

Together with 136203630193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136203630193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68101815095 + 68101815096.

It is an arithmetic number, because the mean of its divisors is an integer number (68101815096).

Almost surely, 2136203630191 is an apocalyptic number.

136203630191 is a deficient number, since it is larger than the sum of its proper divisors (1).

136203630191 is an equidigital number, since it uses as much as digits as its factorization.

136203630191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 136203630191 in words is "one hundred thirty-six billion, two hundred three million, six hundred thirty thousand, one hundred ninety-one".