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1252032130225 = 522310121558883
BaseRepresentation
bin10010001110000010111…
…011100010110010110001
311102200201021100012012201
4102032002323202302301
5131003130211131400
62355101533423201
7156312344340502
oct22160273426261
94380637305181
101252032130225
11442a90551708
1218279b03ab01
13910b2371546
1444854ab8ba9
152287cb8d06a
hex12382ee2cb1

1252032130225 has 24 divisors (see below), whose sum is σ = 1636060588992. Its totient is φ = 948590808000.

The previous prime is 1252032130211. The next prime is 1252032130243. The reversal of 1252032130225 is 5220312302521.

It is a de Polignac number, because none of the positive numbers 2k-1252032130225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252032130193 and 1252032130202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10721367 + ... + 10837516.

It is an arithmetic number, because the mean of its divisors is an integer number (68169191208).

Almost surely, 21252032130225 is an apocalyptic number.

It is an amenable number.

1252032130225 is a deficient number, since it is larger than the sum of its proper divisors (384028458767).

1252032130225 is a wasteful number, since it uses less digits than its factorization.

1252032130225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21559017 (or 21559012 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1252032130225 its reverse (5220312302521), we get a palindrome (6472344432746).

The spelling of 1252032130225 in words is "one trillion, two hundred fifty-two billion, thirty-two million, one hundred thirty thousand, two hundred twenty-five".

Divisors: 1 5 23 25 101 115 505 575 2323 2525 11615 58075 21558883 107794415 495854309 538972075 2177447183 2479271545 10887235915 12396357725 50081285209 54436179575 250406426045 1252032130225