Search a number
-
+
18102153743 is a prime number
BaseRepresentation
bin10000110110111110…
…001111001000001111
31201201120101200121122
4100312332033020033
5244033122404433
612152131551155
71210405524302
oct206676171017
951646350548
1018102153743
11774a215043
12361245b4bb
13192644949b
14c3a21cb39
1570e336198
hex436f8f20f

18102153743 has 2 divisors, whose sum is σ = 18102153744. Its totient is φ = 18102153742.

The previous prime is 18102153739. The next prime is 18102153781. The reversal of 18102153743 is 34735120181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18102153743 - 22 = 18102153739 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18102153793) 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, 9051076871 + 9051076872.

It is an arithmetic number, because the mean of its divisors is an integer number (9051076872).

Almost surely, 218102153743 is an apocalyptic number.

18102153743 is a deficient number, since it is larger than the sum of its proper divisors (1).

18102153743 is an equidigital number, since it uses as much as digits as its factorization.

18102153743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 18102153743 in words is "eighteen billion, one hundred two million, one hundred fifty-three thousand, seven hundred forty-three".