Search a number
-
+
22112411512420 = 22522730011162293
BaseRepresentation
bin1010000011100011100100…
…11011101110111001100100
32220021220222222101212010201
411001301302123232321210
510344242204321344140
6115010145052000244
74441366112432605
oct501616233567144
986256888355121
1022112411512420
1170559039139a9
122591649a60084
13c45264831a18
145663642a9dac
152852dba0849a
hex141c726eee64

22112411512420 has 48 divisors (see below), whose sum is σ = 46642469848128. Its totient is φ = 8805652319360.

The previous prime is 22112411512343. The next prime is 22112411512481. The reversal of 22112411512420 is 2421511421122.

It is a happy 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, 136168794 + ... + 136331086.

It is an arithmetic number, because the mean of its divisors is an integer number (971718121836).

Almost surely, 222112411512420 is an apocalyptic number.

22112411512420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112411512420 is an abundant number, since it is smaller than the sum of its proper divisors (24530058335708).

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

22112411512420 is a wasteful number, since it uses less digits than its factorization.

22112411512420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192540 (or 192538 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 22112411512420 its reverse (2421511421122), we get a palindrome (24533922933542).

The spelling of 22112411512420 in words is "twenty-two trillion, one hundred twelve billion, four hundred eleven million, five hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 30011 60022 120044 150055 162293 300110 324586 600220 649172 811465 1622930 3245860 6812497 13624994 27249988 34062485 36840511 68124970 73681022 136249940 147362044 184202555 368405110 736810220 4870575223 9741150446 19482300892 24352876115 48705752230 97411504460 1105620575621 2211241151242 4422482302484 5528102878105 11056205756210 22112411512420