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1052252255425 = 52721934450681
BaseRepresentation
bin11110100111111110001…
…11110011010011000001
310201121001021021000201111
433103333013303103001
5114220003034133200
62123221545403321
7136010535411100
oct17237707632301
93647037230644
101052252255425
11376291a69868
1214bb25199541
13782c4834a87
1438d01d38037
151c588beb0ba
hexf4ff1f34c1

1052252255425 has 36 divisors (see below), whose sum is σ = 1525684888236. Its totient is φ = 717805670400.

The previous prime is 1052252255423. The next prime is 1052252255447. The reversal of 1052252255425 is 5245522522501.

It can be written as a sum of positive squares in 6 ways, for example, as 329204736 + 1051923050689 = 18144^2 + 1025633^2 .

It is not a de Polignac number, because 1052252255425 - 21 = 1052252255423 is a prime.

It is a super-2 number, since 2×10522522554252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052252255423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1988916 + ... + 2461765.

Almost surely, 21052252255425 is an apocalyptic number.

It is an amenable number.

1052252255425 is a deficient number, since it is larger than the sum of its proper divisors (473432632811).

1052252255425 is a wasteful number, since it uses less digits than its factorization.

1052252255425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450898 (or 4450886 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

Adding to 1052252255425 its reverse (5245522522501), we get a palindrome (6297774777926).

The spelling of 1052252255425 in words is "one trillion, fifty-two billion, two hundred fifty-two million, two hundred fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 193 245 965 1225 1351 4825 6755 9457 33775 47285 236425 4450681 22253405 31154767 111267025 155773835 218083369 778869175 858981433 1090416845 4294907165 5452084225 6012870031 21474535825 30064350155 42090090217 150321750775 210450451085 1052252255425