Search a number
-
+
121431411233212 = 221271213793324841
BaseRepresentation
bin11011100111000011110100…
…001000011001000110111100
3120220221201200211112210211011
4123213003310020121012330
5111404013012233430322
61110132453055205004
734402062400002463
oct3347036410310674
9526851624483734
10121431411233212
1135767854a26973
1211752279b16764
13529ac188ab372
1421db4512bb9da
15e08a9a252677
hex6e70f42191bc

121431411233212 has 48 divisors (see below), whose sum is σ = 214390456978432. Its totient is φ = 60177959493120.

The previous prime is 121431411233177. The next prime is 121431411233221. The reversal of 121431411233212 is 212332114134121.

It is a congruent number.

It is an unprimeable number.

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, 4888333912 + ... + 4888358752.

Almost surely, 2121431411233212 is an apocalyptic number.

It is an amenable number.

121431411233212 is a deficient number, since it is larger than the sum of its proper divisors (92959045745220).

121431411233212 is a wasteful number, since it uses less digits than its factorization.

121431411233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34118 (or 34116 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 121431411233212 its reverse (212332114134121), we get a palindrome (333763525367333).

The spelling of 121431411233212 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, four hundred eleven million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 127 254 508 1213 2426 4852 7933 15866 24841 31732 49682 99364 154051 308102 616204 1007491 2014982 3154807 4029964 6309614 9622729 12619228 19245458 30132133 38490916 60264266 120528532 197063653 394127306 788254612 1222086583 2444173166 3826780891 4888346332 7653561782 15307123564 25027083931 50054167862 100108335724 239038211089 478076422178 956152844356 30357852808303 60715705616606 121431411233212