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2061047272 = 23257630909
BaseRepresentation
bin111101011011001…
…0001010111101000
312022122020001100011
41322312101113220
513210112003042
6540303221304
7102034420114
oct17266212750
95278201304
102061047272
11968453359
124962a7834
1326acccbcb
14157a2a744
15c0e20a17
hex7ad915e8

2061047272 has 8 divisors (see below), whose sum is σ = 3864463650. Its totient is φ = 1030523632.

The previous prime is 2061047269. The next prime is 2061047279. The reversal of 2061047272 is 2727401602.

It can be written as a sum of positive squares in only one way, i.e., 1385775076 + 675272196 = 37226^2 + 25986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2061047279) by changing a digit.

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 as a sum of consecutive naturals, namely, 128815447 + ... + 128815462.

Almost surely, 22061047272 is an apocalyptic number.

It is an amenable number.

2061047272 is a deficient number, since it is larger than the sum of its proper divisors (1803416378).

2061047272 is a wasteful number, since it uses less digits than its factorization.

2061047272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257630915 (or 257630911 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2061047272 is about 45398.7584852273. The cubic root of 2061047272 is about 1272.6119127092.

Adding to 2061047272 its reverse (2727401602), we get a palindrome (4788448874).

The spelling of 2061047272 in words is "two billion, sixty-one million, forty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 257630909 515261818 1030523636 2061047272