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15151225457 is a prime number
BaseRepresentation
bin11100001110001010…
…10101101001110001
31110002220201000000102
432013011111221301
5222012203203312
610543235202145
71044314201654
oct160705255161
943086630012
1015151225457
116475520a35
122b2a146355
131575c86984
14a3a34b89b
155da236ec2
hex387155a71

15151225457 has 2 divisors, whose sum is σ = 15151225458. Its totient is φ = 15151225456.

The previous prime is 15151225399. The next prime is 15151225489. The reversal of 15151225457 is 75452215151.

It is a happy number.

15151225457 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., 12337877776 + 2813347681 = 111076^2 + 53041^2 .

It is a cyclic number.

It is not a de Polignac number, because 15151225457 - 216 = 15151159921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15151225457.

It is not a weakly prime, because it can be changed into another prime (15151225657) 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, 7575612728 + 7575612729.

It is an arithmetic number, because the mean of its divisors is an integer number (7575612729).

Almost surely, 215151225457 is an apocalyptic number.

It is an amenable number.

15151225457 is a deficient number, since it is larger than the sum of its proper divisors (1).

15151225457 is an equidigital number, since it uses as much as digits as its factorization.

15151225457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70000, while the sum is 38.

The spelling of 15151225457 in words is "fifteen billion, one hundred fifty-one million, two hundred twenty-five thousand, four hundred fifty-seven".