Search a number
-
+
2230138981687 is a prime number
BaseRepresentation
bin100000011100111110101…
…001000100110100110111
321220012101012221102212111
4200130332221010310313
5243014311034403222
64424302310031451
7320056631400241
oct40347651046467
97805335842774
102230138981687
1178a884352011
12300271048587
131323bb98a306
1479d21637091
153d027380777
hex2073ea44d37

2230138981687 has 2 divisors, whose sum is σ = 2230138981688. Its totient is φ = 2230138981686.

The previous prime is 2230138981673. The next prime is 2230138981691. The reversal of 2230138981687 is 7861898310322.

It is a happy number.

2230138981687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2230138981687 - 219 = 2230138457399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230138981607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115069490843 + 1115069490844.

It is an arithmetic number, because the mean of its divisors is an integer number (1115069490844).

Almost surely, 22230138981687 is an apocalyptic number.

2230138981687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230138981687 is an equidigital number, since it uses as much as digits as its factorization.

2230138981687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 2230138981687 in words is "two trillion, two hundred thirty billion, one hundred thirty-eight million, nine hundred eighty-one thousand, six hundred eighty-seven".