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23443052785 = 517734937529
BaseRepresentation
bin10101110101010100…
…001001100011110001
32020111210020110202021
4111311110021203301
5341002410142120
614434121551441
71456640442445
oct256524114361
966453213667
1023443052785
119a3aaa0599
124663045581
132297ac5989
1411c569c825
15923179aaa
hex5755098f1

23443052785 has 16 divisors (see below), whose sum is σ = 29791314000. Its totient is φ = 17648367616.

The previous prime is 23443052783. The next prime is 23443052807. The reversal of 23443052785 is 58725034432.

It can be written as a sum of positive squares in 8 ways, for example, as 425308129 + 23017744656 = 20623^2 + 151716^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443052785 - 21 = 23443052783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23443052783) 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 in 15 ways as a sum of consecutive naturals, for example, 605901 + ... + 643429.

It is an arithmetic number, because the mean of its divisors is an integer number (1861957125).

Almost surely, 223443052785 is an apocalyptic number.

It is an amenable number.

23443052785 is a deficient number, since it is larger than the sum of its proper divisors (6348261215).

23443052785 is a wasteful number, since it uses less digits than its factorization.

23443052785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44900.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 23443052785 in words is "twenty-three billion, four hundred forty-three million, fifty-two thousand, seven hundred eighty-five".

Divisors: 1 5 17 85 7349 36745 37529 124933 187645 624665 637993 3189965 275800621 1379003105 4688610557 23443052785