Search a number
-
+
104202530501 is a prime number
BaseRepresentation
bin110000100001011110…
…1000110111011000101
3100221222001110000022112
41201002331012323011
53201401321434001
6115511525510405
710346143616006
oct1410275067305
9327861400275
10104202530501
1140212680503
1218241272405
139a98393194
1450872551ad
152a9d168cbb
hex1842f46ec5

104202530501 has 2 divisors, whose sum is σ = 104202530502. Its totient is φ = 104202530500.

The previous prime is 104202530491. The next prime is 104202530521. The reversal of 104202530501 is 105035202401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104200485601 + 2044900 = 322801^2 + 1430^2 .

It is an emirp because it is prime and its reverse (105035202401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104202530501 is a prime.

It is a super-2 number, since 2×1042025305012 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104202530521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52101265250 + 52101265251.

It is an arithmetic number, because the mean of its divisors is an integer number (52101265251).

Almost surely, 2104202530501 is an apocalyptic number.

It is an amenable number.

104202530501 is a deficient number, since it is larger than the sum of its proper divisors (1).

104202530501 is an equidigital number, since it uses as much as digits as its factorization.

104202530501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 104202530501 its reverse (105035202401), we get a palindrome (209237732902).

The spelling of 104202530501 in words is "one hundred four billion, two hundred two million, five hundred thirty thousand, five hundred one".