Search a number
-
+
49913231994 = 233979529063
BaseRepresentation
bin101110011111000011…
…110111101001111010
311202211112112220022000
4232133003313221322
51304210241410434
634532501441430
73414616320543
oct563703675172
9152745486260
1049913231994
111a193799a5a
12980ba10276
134925aacc02
1425b6dc54ca
151471e55b99
hexb9f0f7a7a

49913231994 has 32 divisors (see below), whose sum is σ = 112061792640. Its totient is φ = 16466219136.

The previous prime is 49913231993. The next prime is 49913232001.

49913231994 is a `hidden beast` number, since 49 + 91 + 323 + 199 + 4 = 666.

49913231994 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49913231994.

It is not an unprimeable number, because it can be changed into a prime (49913231993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759294 + ... + 4769769.

It is an arithmetic number, because the mean of its divisors is an integer number (3501931020).

Almost surely, 249913231994 is an apocalyptic number.

49913231994 is an abundant number, since it is smaller than the sum of its proper divisors (62148560646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49913231994 is a wasteful number, since it uses less digits than its factorization.

49913231994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529171 (or 9529165 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

It can be divided in two parts, 49913231 and 994, that added together give a square (49914225 = 70652).

The spelling of 49913231994 in words is "forty-nine billion, nine hundred thirteen million, two hundred thirty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 97 194 291 582 873 1746 2619 5238 9529063 19058126 28587189 57174378 85761567 171523134 257284701 514569402 924319111 1848638222 2772957333 5545914666 8318871999 16637743998 24956615997 49913231994