Search a number
-
+
40103303321 = 157929274957
BaseRepresentation
bin100101010110010101…
…111101100010011001
310211111212102220000102
4211112111331202121
51124112421201241
630231224545145
72616540311444
oct452625754231
9124455386012
1040103303321
111600a2a6394
1279326221b5
133a215b17a3
141d261bc65b
15109aae039b
hex95657d899

40103303321 has 8 divisors (see below), whose sum is σ = 40402328520. Its totient is φ = 39804830208.

The previous prime is 40103303293. The next prime is 40103303333. The reversal of 40103303321 is 12330330104.

It can be written as a sum of positive squares in 4 ways, for example, as 510262921 + 39593040400 = 22589^2 + 198980^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40103303321 is a prime.

It is a super-2 number, since 2×401033033212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40103303293 and 40103303302.

It is not an unprimeable number, because it can be changed into a prime (40103303351) 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 7 ways as a sum of consecutive naturals, for example, 8375 + ... + 283331.

It is an arithmetic number, because the mean of its divisors is an integer number (5050291065).

Almost surely, 240103303321 is an apocalyptic number.

It is an amenable number.

40103303321 is a deficient number, since it is larger than the sum of its proper divisors (299025199).

40103303321 is a wasteful number, since it uses less digits than its factorization.

40103303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276043.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 40103303321 its reverse (12330330104), we get a palindrome (52433633425).

The spelling of 40103303321 in words is "forty billion, one hundred three million, three hundred three thousand, three hundred twenty-one".

Divisors: 1 157 929 145853 274957 43168249 255435053 40103303321