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40331344143 = 335937447859
BaseRepresentation
bin100101100011111011…
…110111100100001111
310212002202112120012210
4211203323313210033
51130044311003033
630310012401503
72625306524466
oct454373674417
9125082476183
1040331344143
1116116aa0882
127996a76293
133a5990609c
141d485bd9dd
1510b0b37d63
hex963ef790f

40331344143 has 8 divisors (see below), whose sum is σ = 53924918400. Its totient is φ = 26812666328.

The previous prime is 40331344127. The next prime is 40331344159. The reversal of 40331344143 is 34144313304.

It is an interprime number because it is at equal distance from previous prime (40331344127) and next prime (40331344159).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40331344143 - 24 = 40331344127 is a prime.

It is a super-2 number, since 2×403313441432 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40331344143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331344343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18722853 + ... + 18725006.

It is an arithmetic number, because the mean of its divisors is an integer number (6740614800).

Almost surely, 240331344143 is an apocalyptic number.

40331344143 is a deficient number, since it is larger than the sum of its proper divisors (13593574257).

40331344143 is a wasteful number, since it uses less digits than its factorization.

40331344143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37448221.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 40331344143 its reverse (34144313304), we get a palindrome (74475657447).

The spelling of 40331344143 in words is "forty billion, three hundred thirty-one million, three hundred forty-four thousand, one hundred forty-three".

Divisors: 1 3 359 1077 37447859 112343577 13443781381 40331344143