Search a number
-
+
912552537121 is a prime number
BaseRepresentation
bin11010100011110000101…
…11101010110000100001
310020020110100121001000121
431101320113222300201
5104422401422141441
61535115411520241
7122633621403451
oct15217027526041
93206410531017
10912552537121
11322014131815
12128a37bb9081
136809023bb74
143224c553d61
1518b0e541dd1
hexd4785eac21

912552537121 has 2 divisors, whose sum is σ = 912552537122. Its totient is φ = 912552537120.

The previous prime is 912552537109. The next prime is 912552537137. The reversal of 912552537121 is 121735255219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512577243025 + 399975294096 = 715945^2 + 632436^2 .

It is an emirp because it is prime and its reverse (121735255219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 912552537121 - 231 = 910405053473 is a prime.

It is not a weakly prime, because it can be changed into another prime (912552537191) 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, 456276268560 + 456276268561.

It is an arithmetic number, because the mean of its divisors is an integer number (456276268561).

Almost surely, 2912552537121 is an apocalyptic number.

It is an amenable number.

912552537121 is a deficient number, since it is larger than the sum of its proper divisors (1).

912552537121 is an equidigital number, since it uses as much as digits as its factorization.

912552537121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 43.

The spelling of 912552537121 in words is "nine hundred twelve billion, five hundred fifty-two million, five hundred thirty-seven thousand, one hundred twenty-one".