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13024515625 = 56112832
BaseRepresentation
bin11000010000101001…
…00101011000101001
31020121200220221120121
430020110211120221
5203133234000000
65552224323241
7640521361522
oct141024453051
936550827517
1013024515625
115583aaa400
122635a73521
1312c74a65a4
148b7b0b849
15513695b1a
hex308525629

13024515625 has 63 divisors (see below), whose sum is σ = 18113225179. Its totient is φ = 9358250000.

The previous prime is 13024515587. The next prime is 13024515649. The reversal of 13024515625 is 52651542031.

The square root of 13024515625 is 114125.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 11410726041 + 1613789584 = 106821^2 + 40172^2 .

It is not a de Polignac number, because 13024515625 - 223 = 13016127017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 156921834 + ... + 156921916.

Almost surely, 213024515625 is an apocalyptic number.

13024515625 is the 114125-th square number.

13024515625 is the 57063-rd centered octagonal number.

It is an amenable number.

13024515625 is a deficient number, since it is larger than the sum of its proper divisors (5088709554).

13024515625 is an frugal number, since it uses more digits than its factorization.

13024515625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 13024515625 in words is "thirteen billion, twenty-four million, five hundred fifteen thousand, six hundred twenty-five".

Divisors: 1 5 11 25 55 83 121 125 275 415 605 625 913 1375 2075 3025 3125 4565 6875 6889 10043 10375 15125 15625 22825 34375 34445 50215 51875 75625 75779 114125 171875 172225 251075 259375 378125 378895 570625 833569 861125 1255375 1296875 1890625 1894475 2853125 4167845 4305625 6276875 9472375 14265625 20839225 21528125 31384375 47361875 104196125 107640625 156921875 236809375 520980625 1184046875 2604903125 13024515625