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11001430525 = 521972233793
BaseRepresentation
bin10100011111011110…
…01000000111111101
31001101201010120112211
422033233020013331
5140012331234100
65015354500421
7536424421321
oct121757100775
931351116484
1011001430525
114736025648
122170434711
131064308807
14765163981
15445c731ba
hex28fbc81fd

11001430525 has 12 divisors (see below), whose sum is σ = 13711027572. Its totient is φ = 8756464640.

The previous prime is 11001430523. The next prime is 11001430529. The reversal of 11001430525 is 52503410011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 129823236 + 10871607289 = 11394^2 + 104267^2 .

It is not a de Polignac number, because 11001430525 - 21 = 11001430523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001430496 and 11001430505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001430523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111972 + ... + 1121821.

It is an arithmetic number, because the mean of its divisors is an integer number (1142585631).

Almost surely, 211001430525 is an apocalyptic number.

It is an amenable number.

11001430525 is a deficient number, since it is larger than the sum of its proper divisors (2709597047).

11001430525 is a wasteful number, since it uses less digits than its factorization.

11001430525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234000 (or 2233995 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 11001430525 its reverse (52503410011), we get a palindrome (63504840536).

The spelling of 11001430525 in words is "eleven billion, one million, four hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 197 985 4925 2233793 11168965 55844825 440057221 2200286105 11001430525