Search a number
-
+
40403211041 = 177757306389
BaseRepresentation
bin100101101000001110…
…000001001100100001
310212021202202210001202
4211220032001030201
51130221210223131
630321101010545
72630141425124
oct455016011441
9125252683052
1040403211041
1116153617506
1279b6b53a55
133a6b77958b
141d53d6a3bb
1510b70d1bcb
hex968381321

40403211041 has 8 divisors (see below), whose sum is σ = 42785525160. Its totient is φ = 38021525248.

The previous prime is 40403211031. The next prime is 40403211047. The reversal of 40403211041 is 14011230404.

It can be written as a sum of positive squares in 4 ways, for example, as 22762058641 + 17641152400 = 150871^2 + 132820^2 .

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 40403211041 - 210 = 40403210017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40403211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21326 + ... + 285063.

It is an arithmetic number, because the mean of its divisors is an integer number (5348190645).

Almost surely, 240403211041 is an apocalyptic number.

It is an amenable number.

40403211041 is a deficient number, since it is larger than the sum of its proper divisors (2382314119).

40403211041 is a wasteful number, since it uses less digits than its factorization.

40403211041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314163.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40403211041 its reverse (14011230404), we get a palindrome (54414441445).

The spelling of 40403211041 in words is "forty billion, four hundred three million, two hundred eleven thousand, forty-one".

Divisors: 1 17 7757 131869 306389 5208613 2376659473 40403211041