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1530112125145 = 54491297525493
BaseRepresentation
bin10110010001000001110…
…010100010100011011001
312102021111010220120212211
4112101001302202203121
5200032132201001040
63130531313035121
7215355414316612
oct26210162424331
95367433816784
101530112125145
1153aa0a44a72a
12208667555aa1
13b139aaa9136
14540b4940c09
1529c05c708ea
hex16441ca28d9

1530112125145 has 16 divisors (see below), whose sum is σ = 1841646272400. Its totient is φ = 1220419436544.

The previous prime is 1530112125121. The next prime is 1530112125193. The reversal of 1530112125145 is 5415212110351.

It can be written as a sum of positive squares in 8 ways, for example, as 892993689 + 1529219131456 = 29883^2 + 1236616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530112125145 is a prime.

It is a super-3 number, since 3×15301121251453 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649019 + ... + 3174511.

It is an arithmetic number, because the mean of its divisors is an integer number (115102892025).

Almost surely, 21530112125145 is an apocalyptic number.

It is an amenable number.

1530112125145 is a deficient number, since it is larger than the sum of its proper divisors (311534147255).

1530112125145 is a wasteful number, since it uses less digits than its factorization.

1530112125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527244.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 1530112125145 its reverse (5415212110351), we get a palindrome (6945324235496).

The spelling of 1530112125145 in words is "one trillion, five hundred thirty billion, one hundred twelve million, one hundred twenty-five thousand, one hundred forty-five".

Divisors: 1 5 449 1297 2245 6485 525493 582353 2627465 2911765 235946357 681564421 1179731785 3407822105 306022425029 1530112125145