Search a number
-
+
121323220233112 = 231922714292460607
BaseRepresentation
bin11011100101011111000011…
…011100011110101110011000
3120220120101102211002112210101
4123211133003130132232120
5111400224423334424422
61110011041250425144
734361212332452302
oct3345370334365630
9526511384075711
10121323220233112
1135725985a281a7
1211735304b921b4
135290966102b01
1421d610a474972
15e05d66d8ec27
hex6e57c371eb98

121323220233112 has 64 divisors (see below), whose sum is σ = 240676989696000. Its totient is φ = 57175664628096.

The previous prime is 121323220233077. The next prime is 121323220233119. The reversal of 121323220233112 is 211332022323121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323220233119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48075913 + ... + 50536519.

It is an arithmetic number, because the mean of its divisors is an integer number (3760577964000).

Almost surely, 2121323220233112 is an apocalyptic number.

It is an amenable number.

121323220233112 is a deficient number, since it is larger than the sum of its proper divisors (119353769462888).

121323220233112 is a wasteful number, since it uses less digits than its factorization.

121323220233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462288 (or 2462284 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 121323220233112 its reverse (211332022323121), we get a palindrome (332655242556233).

The spelling of 121323220233112 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, two hundred twenty million, two hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 227 454 908 1429 1816 2858 4313 5716 8626 11432 17252 27151 34504 54302 108604 217208 324383 648766 1297532 2460607 2595064 4921214 6163277 9842428 12326554 19684856 24653108 46751533 49306216 93503066 187006132 374012264 558557789 1117115578 2234231156 3516207403 4468462312 7032414806 10612597991 14064829612 21225195982 28129659224 42450391964 66807940657 84900783928 133615881314 267231762628 534463525256 798179080481 1596358160962 3192716321924 6385432643848 15165402529139 30330805058278 60661610116556 121323220233112