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4145214125 = 531317150053
BaseRepresentation
bin1111011100010010…
…1111001010101101
3101200212221200210002
43313010233022231
531442133323000
61523154154045
7204502511243
oct36704571255
911625850702
104145214125
1118379577a8
12978282925
13510a36130
142b4754793
15193dab8d5
hexf712f2ad

4145214125 has 32 divisors (see below), whose sum is σ = 5898922848. Its totient is φ = 2880998400.

The previous prime is 4145214109. The next prime is 4145214127. The reversal of 4145214125 is 5214125414.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2147302921 + 1997911204 = 46339^2 + 44698^2 .

It is not a de Polignac number, because 4145214125 - 24 = 4145214109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145214127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47402 + ... + 102651.

It is an arithmetic number, because the mean of its divisors is an integer number (184341339).

Almost surely, 24145214125 is an apocalyptic number.

It is an amenable number.

4145214125 is a deficient number, since it is larger than the sum of its proper divisors (1753708723).

4145214125 is a wasteful number, since it uses less digits than its factorization.

4145214125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150098 (or 150088 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 4145214125 is about 64383.3373241866. The cubic root of 4145214125 is about 1606.3825943926.

Adding to 4145214125 its reverse (5214125414), we get a palindrome (9359339539).

The spelling of 4145214125 in words is "four billion, one hundred forty-five million, two hundred fourteen thousand, one hundred twenty-five".

Divisors: 1 5 13 17 25 65 85 125 221 325 425 1105 1625 2125 5525 27625 150053 750265 1950689 2550901 3751325 9753445 12754505 18756625 33161713 48767225 63772525 165808565 243836125 318862625 829042825 4145214125