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15212545241 is a prime number
BaseRepresentation
bin11100010101011110…
…10000010011011001
31110021012002100221112
432022233100103121
5222123402421431
610553305350105
71045660333565
oct161257202331
943235070845
1015212545241
1164a70a3443
122b46798335
1315858a657a
14a445506a5
155e07eac2b
hex38abd04d9

15212545241 has 2 divisors, whose sum is σ = 15212545242. Its totient is φ = 15212545240.

The previous prime is 15212545189. The next prime is 15212545247. The reversal of 15212545241 is 14254521251.

15212545241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14347008841 + 865536400 = 119779^2 + 29420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15212545241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15212545198 and 15212545207.

It is not a weakly prime, because it can be changed into another prime (15212545247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7606272620 + 7606272621.

It is an arithmetic number, because the mean of its divisors is an integer number (7606272621).

Almost surely, 215212545241 is an apocalyptic number.

It is an amenable number.

15212545241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15212545241 is an equidigital number, since it uses as much as digits as its factorization.

15212545241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16000, while the sum is 32.

The spelling of 15212545241 in words is "fifteen billion, two hundred twelve million, five hundred forty-five thousand, two hundred forty-one".