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15212430053 is a prime number
BaseRepresentation
bin11100010101011101…
…10100001011100101
31110021011212111221022
432022232310023211
5222123340230203
610553303100525
71045656344012
oct161256641345
943234774838
1015212430053
1164a7024947
122b46741745
131585866002
14a44520709
155e07c6a38
hex38abb42e5

15212430053 has 2 divisors, whose sum is σ = 15212430054. Its totient is φ = 15212430052.

The previous prime is 15212430011. The next prime is 15212430061. The reversal of 15212430053 is 35003421251.

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., 8396606689 + 6815823364 = 91633^2 + 82558^2 .

It is a cyclic number.

It is not a de Polignac number, because 15212430053 - 220 = 15211381477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15212430073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7606215026 + 7606215027.

It is an arithmetic number, because the mean of its divisors is an integer number (7606215027).

Almost surely, 215212430053 is an apocalyptic number.

It is an amenable number.

15212430053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15212430053 is an equidigital number, since it uses as much as digits as its factorization.

15212430053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 15212430053 in words is "fifteen billion, two hundred twelve million, four hundred thirty thousand, fifty-three".