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212210220030000 = 243547073674001
BaseRepresentation
bin110000010000000100001010…
…110010000101100000110000
31000211101002200002210011101220
4300100010022302011200300
5210303323012311430000
62031200010152225040
762461453036156053
oct6020041262054060
91024332602704356
10212210220030000
1161686937997135
121b97391939b180
13915445143635a
143a5905ab60a9a
15198011c7a61a0
hexc1010ac85830

212210220030000 has 100 divisors (see below), whose sum is σ = 685042885049688. Its totient is φ = 56589392000000.

The previous prime is 212210220029989. The next prime is 212210220030023. The reversal of 212210220030000 is 30022012212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3536807001 + ... + 3536867000.

Almost surely, 2212210220030000 is an apocalyptic number.

212210220030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210220030000 is an abundant number, since it is smaller than the sum of its proper divisors (472832665019688).

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

212210220030000 is an equidigital number, since it uses as much as digits as its factorization.

212210220030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073674032 (or 7073674011 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212210220030000 its reverse (30022012212), we get a palindrome (212240242042212).

The spelling of 212210220030000 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty million, thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 7073674001 14147348002 21221022003 28294696004 35368370005 42442044006 56589392008 70736740010 84884088012 106105110015 113178784016 141473480020 169768176024 176841850025 212210220030 282946960040 339536352048 353683700050 424420440060 530525550075 565893920080 707367400100 848840880120 884209250125 1061051100150 1414734800200 1697681760240 1768418500250 2122102200300 2652627750375 2829469600400 3536837000500 4244204400600 4421046250625 5305255500750 7073674001000 8488408801200 8842092501250 10610511001500 13263138751875 14147348002000 17684185002500 21221022003000 26526277503750 35368370005000 42442044006000 53052555007500 70736740010000 106105110015000 212210220030000