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6020254721 = 13241868849
BaseRepresentation
bin1011001101101010…
…11100110000000001
3120112120011121221002
411212311130300001
544312141122341
62433214541345
7302121215015
oct54665346001
916476147832
106020254721
11260a305528
121200207855
1374c33b100
144117a2545
152537d929b
hex166d5cc01

6020254721 has 12 divisors (see below), whose sum is σ = 6677981100. Its totient is φ = 5421611520.

The previous prime is 6020254711. The next prime is 6020254729. The reversal of 6020254721 is 1274520206.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 512388496 + 5507866225 = 22636^2 + 74215^2 .

It is not a de Polignac number, because 6020254721 - 214 = 6020238337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6020254729) 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, 427496 + ... + 441353.

It is an arithmetic number, because the mean of its divisors is an integer number (556498425).

Almost surely, 26020254721 is an apocalyptic number.

It is an amenable number.

6020254721 is a deficient number, since it is larger than the sum of its proper divisors (657726379).

6020254721 is a wasteful number, since it uses less digits than its factorization.

6020254721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868916 (or 868903 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 6020254721 is about 77590.3004311750. The cubic root of 6020254721 is about 1819.1630335292.

Adding to 6020254721 its reverse (1274520206), we get a palindrome (7294774927).

The spelling of 6020254721 in words is "six billion, twenty million, two hundred fifty-four thousand, seven hundred twenty-one".

Divisors: 1 13 41 169 533 6929 868849 11295037 35622809 146835481 463096517 6020254721