Search a number
-
+
49049881873 = 172999492661
BaseRepresentation
bin101101101011100110…
…011100110100010001
311200121101000011120121
4231223212130310101
51300423232204443
634311101110241
73354334055026
oct555346346421
9150541004517
1049049881873
111989041a263
12960a858381
134818c79255
14253448954d
1514212684ed
hexb6b99cd11

49049881873 has 8 divisors (see below), whose sum is σ = 53726037480. Its totient is φ = 44572711680.

The previous prime is 49049881841. The next prime is 49049881919. The reversal of 49049881873 is 37818894094.

It can be written as a sum of positive squares in 4 ways, for example, as 16039715904 + 33010165969 = 126648^2 + 181687^2 .

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 49049881873 - 25 = 49049881841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49049881823) 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, 49745838 + ... + 49746823.

It is an arithmetic number, because the mean of its divisors is an integer number (6715754685).

Almost surely, 249049881873 is an apocalyptic number.

It is an amenable number.

49049881873 is a deficient number, since it is larger than the sum of its proper divisors (4676155607).

49049881873 is a wasteful number, since it uses less digits than its factorization.

49049881873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99492707.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 49049881873 in words is "forty-nine billion, forty-nine million, eight hundred eighty-one thousand, eight hundred seventy-three".

Divisors: 1 17 29 493 99492661 1691375237 2885287169 49049881873