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2021023114439 = 723731671029689
BaseRepresentation
bin11101011010001110010…
…111010110010011000111
321011012121120112201101012
4131122032113112103013
5231103023404130224
64144240055152435
7266004560012630
oct35321627262307
97135546481335
102021023114439
1170a12495092a
1228783067571b
13118773bb0064
146db649bc887
153788899380e
hex1d68e5d64c7

2021023114439 has 32 divisors (see below), whose sum is σ = 2457812367360. Its totient is φ = 1624501688832.

The previous prime is 2021023114373. The next prime is 2021023114447. The reversal of 2021023114439 is 9344113201202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2021023114439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021023114639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447907 + ... + 2477595.

It is an arithmetic number, because the mean of its divisors is an integer number (76806636480).

Almost surely, 22021023114439 is an apocalyptic number.

2021023114439 is a deficient number, since it is larger than the sum of its proper divisors (436789252921).

2021023114439 is a wasteful number, since it uses less digits than its factorization.

2021023114439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029959.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 2021023114439 in words is "two trillion, twenty-one billion, twenty-three million, one hundred fourteen thousand, four hundred thirty-nine".

Divisors: 1 7 23 73 161 167 511 1169 1679 3841 11753 12191 26887 85337 280393 1029689 1962751 7207823 23682847 75167297 165779929 171958063 526171079 1203706441 1728847831 3955035449 12101934817 12552938599 27685248143 87870570193 288717587777 2021023114439