Search a number
-
+
49881387116 = 221119107557633
BaseRepresentation
bin101110011101001010…
…011001000001101100
311202202022122000100002
4232131022121001230
51304124113341431
634525403123432
73414051536411
oct563512310154
9152668560302
1049881387116
111a177819480
129801213578
13491c3102a2
1425b2a96108
15146e2653cb
hexb9d29906c

49881387116 has 48 divisors (see below), whose sum is σ = 101177112960. Its totient is φ = 21279237120.

The previous prime is 49881387113. The next prime is 49881387121. The reversal of 49881387116 is 61178318894.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49881387113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189365 + ... + 368268.

It is an arithmetic number, because the mean of its divisors is an integer number (2107856520).

Almost surely, 249881387116 is an apocalyptic number.

It is an amenable number.

49881387116 is an abundant number, since it is smaller than the sum of its proper divisors (51295725844).

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

49881387116 is a wasteful number, since it uses less digits than its factorization.

49881387116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557774 (or 557772 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The spelling of 49881387116 in words is "forty-nine billion, eight hundred eighty-one million, three hundred eighty-seven thousand, one hundred sixteen".

Divisors: 1 2 4 11 19 22 38 44 76 107 209 214 418 428 836 1177 2033 2354 4066 4708 8132 22363 44726 89452 557633 1115266 2230532 6133963 10595027 12267926 21190054 24535852 42380108 59666731 116545297 119333462 233090594 238666924 466181188 656334041 1133667889 1312668082 2267335778 2625336164 4534671556 12470346779 24940693558 49881387116