Search a number
-
+
8505555092513 is a prime number
BaseRepresentation
bin111101111000101101010…
…0101110000010000100001
31010010010022202111001102222
41323301122211300100201
52103323334100430023
630031221552120425
71535335404254603
oct173613245602041
933103282431388
108505555092513
11278a205123986
12b54525236115
134990bb8a4c0b
1421595757b173
15eb3b05ebcc8
hex7bc5a970421

8505555092513 has 2 divisors, whose sum is σ = 8505555092514. Its totient is φ = 8505555092512.

The previous prime is 8505555092467. The next prime is 8505555092561. The reversal of 8505555092513 is 3152905555058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8473123404769 + 32431687744 = 2910863^2 + 180088^2 .

It is a cyclic number.

It is not a de Polignac number, because 8505555092513 - 26 = 8505555092449 is a prime.

It is not a weakly prime, because it can be changed into another prime (8505555092563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252777546256 + 4252777546257.

It is an arithmetic number, because the mean of its divisors is an integer number (4252777546257).

Almost surely, 28505555092513 is an apocalyptic number.

It is an amenable number.

8505555092513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8505555092513 is an equidigital number, since it uses as much as digits as its factorization.

8505555092513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750000, while the sum is 53.

The spelling of 8505555092513 in words is "eight trillion, five hundred five billion, five hundred fifty-five million, ninety-two thousand, five hundred thirteen".