Search a number
-
+
40949871269 = 178329021879
BaseRepresentation
bin100110001000110011…
…010111001010100101
310220200212101222220212
4212020303113022211
51132331131340034
630451225505205
72646530106536
oct461063271245
9126625358825
1040949871269
111640415341a
127b2a042205
133b27aba878
141da67ca68d
1510ea0b52ce
hex988cd72a5

40949871269 has 8 divisors (see below), whose sum is σ = 43881082560. Its totient is φ = 38076703936.

The previous prime is 40949871229. The next prime is 40949871331. The reversal of 40949871269 is 96217894904.

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 40949871269 - 224 = 40933094053 is a prime.

It is a super-2 number, since 2×409498712692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40949871229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14509529 + ... + 14512350.

It is an arithmetic number, because the mean of its divisors is an integer number (5485135320).

Almost surely, 240949871269 is an apocalyptic number.

It is an amenable number.

40949871269 is a deficient number, since it is larger than the sum of its proper divisors (2931211291).

40949871269 is a wasteful number, since it uses less digits than its factorization.

40949871269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29021979.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 40949871269 in words is "forty billion, nine hundred forty-nine million, eight hundred seventy-one thousand, two hundred sixty-nine".

Divisors: 1 17 83 1411 29021879 493371943 2408815957 40949871269