Search a number
-
+
25135249118929 is a prime number
BaseRepresentation
bin1011011011100010000011…
…00110000101011011010001
310021222220110201122202011221
411231301001212011123101
511243303442233301204
6125242550220405041
75202650622231115
oct555610146053321
9107886421582157
1025135249118929
118010887942444
12299b4680a6781
1311043228a2a51
1462c7a429b745
152d8c5b180654
hex16dc419856d1

25135249118929 has 2 divisors, whose sum is σ = 25135249118930. Its totient is φ = 25135249118928.

The previous prime is 25135249118893. The next prime is 25135249118933. The reversal of 25135249118929 is 92981194253152.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12777050250000 + 12358198868929 = 3574500^2 + 3515423^2 .

It is a cyclic number.

It is not a de Polignac number, because 25135249118929 - 227 = 25135114901201 is a prime.

It is a super-2 number, since 2×251352491189292 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25135249118129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567624559464 + 12567624559465.

It is an arithmetic number, because the mean of its divisors is an integer number (12567624559465).

Almost surely, 225135249118929 is an apocalyptic number.

It is an amenable number.

25135249118929 is a deficient number, since it is larger than the sum of its proper divisors (1).

25135249118929 is an equidigital number, since it uses as much as digits as its factorization.

25135249118929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13996800, while the sum is 61.

The spelling of 25135249118929 in words is "twenty-five trillion, one hundred thirty-five billion, two hundred forty-nine million, one hundred eighteen thousand, nine hundred twenty-nine".