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40342143041 = 253115939211
BaseRepresentation
bin100101100100100101…
…000100000001000001
310212010111212012111222
4211210211010001001
51130110042034131
630311040044425
72625500362244
oct454445040101
9125114765458
1040342143041
11161220a7192
12799a603715
133a5bc17475
141d49bd125b
1510b1a6c87b
hex964944041

40342143041 has 4 divisors (see below), whose sum is σ = 40358084784. Its totient is φ = 40326201300.

The previous prime is 40342143019. The next prime is 40342143089. The reversal of 40342143041 is 14034124304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40342143041 - 218 = 40341880897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40342143041.

It is not an unprimeable number, because it can be changed into a prime (40342143001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7967075 + ... + 7972136.

It is an arithmetic number, because the mean of its divisors is an integer number (10089521196).

Almost surely, 240342143041 is an apocalyptic number.

It is an amenable number.

40342143041 is a deficient number, since it is larger than the sum of its proper divisors (15941743).

40342143041 is a wasteful number, since it uses less digits than its factorization.

40342143041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15941742.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40342143041 its reverse (14034124304), we get a palindrome (54376267345).

The spelling of 40342143041 in words is "forty billion, three hundred forty-two million, one hundred forty-three thousand, forty-one".

Divisors: 1 2531 15939211 40342143041