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121441040210 = 25731136740939
BaseRepresentation
bin111000100011001110…
…0110011011101010010
3102121110102202001001002
41301012130303131102
53442202401241320
6131442250542002
711526264544550
oct1610634633522
9377412661032
10121441040210
1147559334a46
121b652437902
13b5b4904c99
145c4089cbd0
15325b755675
hex1c46733752

121441040210 has 64 divisors (see below), whose sum is σ = 258075279360. Its totient is φ = 40263341760.

The previous prime is 121441040207. The next prime is 121441040293. The reversal of 121441040210 is 12040144121.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2945921 + ... + 2986859.

It is an arithmetic number, because the mean of its divisors is an integer number (4032426240).

Almost surely, 2121441040210 is an apocalyptic number.

121441040210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121441040210 is an abundant number, since it is smaller than the sum of its proper divisors (136634239150).

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

121441040210 is a wasteful number, since it uses less digits than its factorization.

121441040210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42351.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121441040210 its reverse (12040144121), we get a palindrome (133481184331).

The spelling of 121441040210 in words is "one hundred twenty-one billion, four hundred forty-one million, forty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 1367 2170 2734 6835 9569 13670 19138 40939 42377 47845 81878 84754 95690 204695 211885 286573 296639 409390 423770 573146 593278 1269109 1432865 1483195 2538218 2865730 2966390 6345545 8883763 12691090 17767526 44418815 55963613 88837630 111927226 279818065 391745291 559636130 783490582 1734872003 1958726455 3469744006 3917452910 8674360015 12144104021 17348720030 24288208042 60720520105 121441040210