Search a number
-
+
2055534445231 is a prime number
BaseRepresentation
bin11101111010010111011…
…001101000001010101111
321021111200201200222011221
4131322113121220022233
5232134213304221411
64212144404524211
7301336026333451
oct35722731501257
97244621628157
102055534445231
11722824674513
122924623b0667
1311bab3ab8157
14716ba2422d1
1538708698071
hex1de976682af

2055534445231 has 2 divisors, whose sum is σ = 2055534445232. Its totient is φ = 2055534445230.

The previous prime is 2055534445213. The next prime is 2055534445253. The reversal of 2055534445231 is 1325444355502.

Together with previous prime (2055534445213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2055534445231 is a prime.

It is a super-2 number, since 2×20555344452312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055534545231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027767222615 + 1027767222616.

It is an arithmetic number, because the mean of its divisors is an integer number (1027767222616).

Almost surely, 22055534445231 is an apocalyptic number.

2055534445231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055534445231 is an equidigital number, since it uses as much as digits as its factorization.

2055534445231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 2055534445231 in words is "two trillion, fifty-five billion, five hundred thirty-four million, four hundred forty-five thousand, two hundred thirty-one".