Search a number
-
+
221132120133000 = 23353622111848691
BaseRepresentation
bin110010010001111001010101…
…011110000000110110001000
31001222222000122122212011001110
4302101321111132000312020
5212441012040223224000
62102150405451050320
764402161036601536
oct6221712536006610
91058860578764043
10221132120133000
1164506672a0473a
1220974a777409a0
139650891a2c92b
143c86bcd1a1156
151a872496e2850
hexc91e55780d88

221132120133000 has 128 divisors (see below), whose sum is σ = 690043176800640. Its totient is φ = 58959081440000.

The previous prime is 221132120132999. The next prime is 221132120133019. The reversal of 221132120133000 is 331021231122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12738655 + ... + 24587345.

It is an arithmetic number, because the mean of its divisors is an integer number (5390962318755).

Almost surely, 2221132120133000 is an apocalyptic number.

221132120133000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221132120133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345021588400320).

221132120133000 is an abundant number, since it is smaller than the sum of its proper divisors (468911056667640).

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

221132120133000 is a wasteful number, since it uses less digits than its factorization.

221132120133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11854936 (or 11854922 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221132120133000 its reverse (331021231122), we get a palindrome (221463141364122).

The spelling of 221132120133000 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, one hundred twenty million, one hundred thirty-three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 6221 12442 18663 24884 31105 37326 49768 62210 74652 93315 124420 149304 155525 186630 248840 311050 373260 466575 622100 746520 777625 933150 1244200 1555250 1866300 2332875 3110500 3732600 4665750 6221000 9331500 11848691 18663000 23697382 35546073 47394764 59243455 71092146 94789528 118486910 142184292 177730365 236973820 284368584 296217275 355460730 473947640 592434550 710921460 888651825 1184869100 1421842920 1481086375 1777303650 2369738200 2962172750 3554607300 4443259125 5924345500 7109214600 8886518250 11848691000 17773036500 35546073000 73710706711 147421413422 221132120133 294842826844 368553533555 442264240266 589685653688 737107067110 884528480532 1105660600665 1474214134220 1769056961064 1842767667775 2211321201330 2948428268440 3685535335550 4422642402660 5528303003325 7371070671100 8845284805320 9213838338875 11056606006650 14742141342200 18427676677750 22113212013300 27641515016625 36855353355500 44226424026600 55283030033250 73710706711000 110566060066500 221132120133000