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40012224223 = 397100786459
BaseRepresentation
bin100101010000111010…
…100001011011011111
310211021112001120222111
4211100322201123133
51123421112133343
630214212454451
72614353202636
oct452072413337
9124245046874
1040012224223
1115a72948304
12790801a427
133a0877262a
141d1807051d
151092aedc9d
hex950ea16df

40012224223 has 4 divisors (see below), whose sum is σ = 40113011080. Its totient is φ = 39911437368.

The previous prime is 40012224211. The next prime is 40012224257. The reversal of 40012224223 is 32242221004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40012224223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40012224194 and 40012224203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012224293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50392833 + ... + 50393626.

It is an arithmetic number, because the mean of its divisors is an integer number (10028252770).

Almost surely, 240012224223 is an apocalyptic number.

40012224223 is a deficient number, since it is larger than the sum of its proper divisors (100786857).

40012224223 is a wasteful number, since it uses less digits than its factorization.

40012224223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100786856.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40012224223 its reverse (32242221004), we get a palindrome (72254445227).

The spelling of 40012224223 in words is "forty billion, twelve million, two hundred twenty-four thousand, two hundred twenty-three".

Divisors: 1 397 100786459 40012224223