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18162628151 is a prime number
BaseRepresentation
bin10000111010100100…
…111011011000110111
31201212210012002220112
4100322210323120313
5244144113100101
612202132053235
71212041535443
oct207244733067
951783162815
1018162628151
11778036a398
12362a76421b
131935b31365
14c44281823
157147ce6bb
hex43a93b637

18162628151 has 2 divisors, whose sum is σ = 18162628152. Its totient is φ = 18162628150.

The previous prime is 18162628093. The next prime is 18162628153. The reversal of 18162628151 is 15182626181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18162628151 - 26 = 18162628087 is a prime.

It is a super-2 number, since 2×181626281512 (a number of 21 digits) contains 22 as substring.

Together with 18162628153, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18162628099 and 18162628108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18162628153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9081314075 + 9081314076.

It is an arithmetic number, because the mean of its divisors is an integer number (9081314076).

Almost surely, 218162628151 is an apocalyptic number.

18162628151 is a deficient number, since it is larger than the sum of its proper divisors (1).

18162628151 is an equidigital number, since it uses as much as digits as its factorization.

18162628151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 41.

The spelling of 18162628151 in words is "eighteen billion, one hundred sixty-two million, six hundred twenty-eight thousand, one hundred fifty-one".