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49957932882 = 23111331260589
BaseRepresentation
bin101110100001101110…
…011000111101010010
311202221122122221101110
4232201232120331102
51304303212323012
634541135514150
73416001265044
oct564156307522
9152848587343
1049957932882
111a206a50440
129822988956
134932131340
1425bccdda94
151475d3573c
hexba1b98f52

49957932882 has 96 divisors (see below), whose sum is σ = 121294393920. Its totient is φ = 13523241600.

The previous prime is 49957932841. The next prime is 49957932887. The reversal of 49957932882 is 28823975994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (49957932887) 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 47 ways as a sum of consecutive naturals, for example, 794244 + ... + 854832.

It is an arithmetic number, because the mean of its divisors is an integer number (1263483270).

Almost surely, 249957932882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49957932882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60647196960).

49957932882 is an abundant number, since it is smaller than the sum of its proper divisors (71336461038).

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

49957932882 is a wasteful number, since it uses less digits than its factorization.

49957932882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60680 (or 60649 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 66.

The spelling of 49957932882 in words is "forty-nine billion, nine hundred fifty-seven million, nine hundred thirty-two thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 11 13 22 26 31 33 39 62 66 78 93 143 186 286 341 403 429 682 806 858 961 1023 1209 1922 2046 2418 2883 4433 5766 8866 10571 12493 13299 21142 24986 26598 31713 37479 60589 63426 74958 121178 137423 181767 274846 363534 412269 666479 787657 824538 1332958 1575314 1878259 1999437 2362971 3756518 3998874 4725942 5634777 8664227 11269554 17328454 20660849 24417367 25992681 41321698 48834734 51985362 58226029 61982547 73252101 116452058 123965094 146504202 174678087 268591037 349356174 537182074 640486319 756938377 805773111 1280972638 1513876754 1611546222 1921458957 2270815131 3842917914 4541630262 8326322147 16652644294 24978966441 49957932882