Search a number
-
+
22201232111220 = 22352695399254777
BaseRepresentation
bin1010000110001001000001…
…00011011011011001110100
32220121102021001000202222010
411003010200203123121310
510402221110410024340
6115115034421404220
74450662141162651
oct503044043333164
986542231022863
1022201232111220
11708a542818458
1225a68b7869670
13c5074b1c2666
1456a78c6bac28
15287789567b80
hex1431208db674

22201232111220 has 96 divisors (see below), whose sum is σ = 62406342432000. Its totient is φ = 5897204276224.

The previous prime is 22201232111213. The next prime is 22201232111281. The reversal of 22201232111220 is 2211123210222.

It is a congruent number.

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, 87012472 + ... + 87267248.

It is an arithmetic number, because the mean of its divisors is an integer number (650066067000).

Almost surely, 222201232111220 is an apocalyptic number.

22201232111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201232111220 is an abundant number, since it is smaller than the sum of its proper divisors (40205110320780).

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

22201232111220 is a wasteful number, since it uses less digits than its factorization.

22201232111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260457 (or 260455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22201232111220 its reverse (2211123210222), we get a palindrome (24412355321442).

The spelling of 22201232111220 in words is "twenty-two trillion, two hundred one billion, two hundred thirty-two million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 269 538 807 1076 1345 1614 2690 3228 4035 5380 5399 8070 10798 16140 16197 21596 26995 32394 53990 64788 80985 107980 161970 254777 323940 509554 764331 1019108 1273885 1452331 1528662 2547770 2904662 3057324 3821655 4356993 5095540 5809324 7261655 7643310 8713986 14523310 15286620 17427972 21784965 29046620 43569930 68535013 87139860 137070026 205605039 274140052 342675065 411210078 685350130 822420156 1028025195 1370700260 1375541023 2056050390 2751082046 4112100780 4126623069 5502164092 6877705115 8253246138 13755410230 16506492276 20633115345 27510820460 41266230690 82532461380 370020535187 740041070374 1110061605561 1480082140748 1850102675935 2220123211122 3700205351870 4440246422244 5550308027805 7400410703740 11100616055610 22201232111220