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50866486244 = 22722817691201
BaseRepresentation
bin101111010111111000…
…001111101111100100
311212021222021020021222
4233113320033233210
51313133310024434
635211233155512
73450342666500
oct572770175744
9155258236258
1050866486244
111a632894a92
129a370bbb98
134a48430c92
142667845300
1514ca9a172e
hexbd7e0fbe4

50866486244 has 72 divisors (see below), whose sum is σ = 104139909720. Its totient is φ = 21676032000.

The previous prime is 50866486241. The next prime is 50866486249. The reversal of 50866486244 is 44268466805.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 155950144 + 50710536100 = 12488^2 + 225190^2 .

It is a super-2 number, since 2×508664862442 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50866486241) 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 23 ways as a sum of consecutive naturals, for example, 42352844 + ... + 42354044.

It is an arithmetic number, because the mean of its divisors is an integer number (1446387635).

Almost surely, 250866486244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50866486244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52069954860).

50866486244 is an abundant number, since it is smaller than the sum of its proper divisors (53273423476).

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

50866486244 is a wasteful number, since it uses less digits than its factorization.

50866486244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 50866486244 in words is "fifty billion, eight hundred sixty-six million, four hundred eighty-six thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 281 562 769 1124 1201 1538 1967 2402 3076 3934 4804 5383 7868 8407 10766 13769 16814 21532 27538 33628 37681 55076 58849 75362 117698 150724 216089 235396 337481 432178 674962 864356 923569 1349924 1512623 1847138 2362367 3025246 3694276 4724734 6050492 6464983 9449468 10588361 12929966 16536569 21176722 25859932 33073138 42353444 45254881 66146276 90509762 181019524 259522889 519045778 1038091556 1816660223 3633320446 7266640892 12716621561 25433243122 50866486244