Search a number
-
+
15400202113 is a prime number
BaseRepresentation
bin11100101011110110…
…00110111110000001
31110202021012022210001
432111323012332001
5223014422431423
611024051440001
71053426362302
oct162573067601
943667168701
1015400202113
11659301586a
122b995b6001
1315b572b63a
14a6143c7a9
15602017cad
hex395ec6f81

15400202113 has 2 divisors, whose sum is σ = 15400202114. Its totient is φ = 15400202112.

The previous prime is 15400202101. The next prime is 15400202143. The reversal of 15400202113 is 31120200451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15383937024 + 16265089 = 124032^2 + 4033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15400202113 is a prime.

It is not a weakly prime, because it can be changed into another prime (15400202143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700101056 + 7700101057.

It is an arithmetic number, because the mean of its divisors is an integer number (7700101057).

Almost surely, 215400202113 is an apocalyptic number.

It is an amenable number.

15400202113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15400202113 is an equidigital number, since it uses as much as digits as its factorization.

15400202113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 15400202113 its reverse (31120200451), we get a palindrome (46520402564).

The spelling of 15400202113 in words is "fifteen billion, four hundred million, two hundred two thousand, one hundred thirteen".