Search a number
-
+
42744633465 = 3517960726227
BaseRepresentation
bin100111110011110001…
…110101100001111001
311002022221120100210210
4213303301311201321
51200020111232330
631345301501333
73042152250432
oct476361654171
9132287510723
1042744633465
111714525a866
12834b111849
134052895831
1420d6cdc489
1511a29368b0
hex9f3c75879

42744633465 has 32 divisors (see below), whose sum is σ = 68889415680. Its totient is φ = 22631569344.

The previous prime is 42744633439. The next prime is 42744633479. The reversal of 42744633465 is 56433644724.

It is a de Polignac number, because none of the positive numbers 2k-42744633465 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1616682 + ... + 1642908.

It is an arithmetic number, because the mean of its divisors is an integer number (2152794240).

Almost surely, 242744633465 is an apocalyptic number.

It is an amenable number.

42744633465 is a deficient number, since it is larger than the sum of its proper divisors (26144782215).

42744633465 is a wasteful number, since it uses less digits than its factorization.

42744633465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021.

The product of its digits is 5806080, while the sum is 48.

The spelling of 42744633465 in words is "forty-two billion, seven hundred forty-four million, six hundred thirty-three thousand, four hundred sixty-five".

Divisors: 1 3 5 15 179 537 607 895 1821 2685 3035 9105 26227 78681 108653 131135 325959 393405 543265 1629795 4694633 14083899 15919789 23473165 47759367 70419495 79598945 238796835 2849642231 8548926693 14248211155 42744633465