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40243004245 = 519769550859
BaseRepresentation
bin100101011110101010…
…111000001101010101
310211212121022102122201
4211132222320031111
51124404202113440
630253135124501
72623154614663
oct453652701525
9124777272581
1040243004245
11160811437a4
127971373731
133a44515962
141d3a985c33
1510a7ed819a
hex95eab8355

40243004245 has 16 divisors (see below), whose sum is σ = 50899464000. Its totient is φ = 30460243968.

The previous prime is 40243004227. The next prime is 40243004279. The reversal of 40243004245 is 54240034204.

It is a cyclic number.

It is not a de Polignac number, because 40243004245 - 25 = 40243004213 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 202375 + ... + 348484.

It is an arithmetic number, because the mean of its divisors is an integer number (3181216500).

Almost surely, 240243004245 is an apocalyptic number.

It is an amenable number.

40243004245 is a deficient number, since it is larger than the sum of its proper divisors (10656459755).

40243004245 is a wasteful number, since it uses less digits than its factorization.

40243004245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551652.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 40243004245 its reverse (54240034204), we get a palindrome (94483038449).

The spelling of 40243004245 in words is "forty billion, two hundred forty-three million, four thousand, two hundred forty-five".

Divisors: 1 5 19 95 769 3845 14611 73055 550859 2754295 10466321 52331605 423610571 2118052855 8048600849 40243004245