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9147449025625 = 5431123892
BaseRepresentation
bin1000010100011100111001…
…1100110010010001011001
31012101111011110011102020111
42011013032130302101121
52144332433422310000
631242140254524321
71632611212544401
oct205071634622131
935344143142214
109147449025625
112a07458557499
121038a062066a1
135147a6aa2c51
14238a4b757801
1510ce2d361cba
hex851ce732459

9147449025625 has 45 divisors (see below), whose sum is σ = 11497080274603. Its totient is φ = 7275677060000.

The previous prime is 9147449025607. The next prime is 9147449025653. The reversal of 9147449025625 is 5265209447419.

The square root of 9147449025625 is 3024475.

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

It can be written as a sum of positive squares in 7 ways, for example, as 8697857319369 + 449591706256 = 2949213^2 + 670516^2 .

It is not a de Polignac number, because 9147449025625 - 225 = 9147415471193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9147449025625.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 23515292931 + ... + 23515293319.

Almost surely, 29147449025625 is an apocalyptic number.

9147449025625 is the 3024475-th square number.

9147449025625 is the 1512238-th centered octagonal number.

It is an amenable number.

9147449025625 is a deficient number, since it is larger than the sum of its proper divisors (2349631248978).

9147449025625 is an frugal number, since it uses more digits than its factorization.

9147449025625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 9147449025625 in words is "nine trillion, one hundred forty-seven billion, four hundred forty-nine million, twenty-five thousand, six hundred twenty-five".