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22141043230420 = 22515725657274829
BaseRepresentation
bin1010000100011000111010…
…00001000100011011010100
32220101122220101000211110201
411002030131001010123110
510400224324031333140
6115031242125030244
74443431456141242
oct502143501043324
986348811024421
1022141043230420
117066a66762464
1225970ba6b5384
13c47b785a22aa
145678bcadb792
15285e1545549a
hex14231d0446d4

22141043230420 has 48 divisors (see below), whose sum is σ = 46794338897040. Its totient is φ = 8799631985664.

The previous prime is 22141043230391. The next prime is 22141043230487. The reversal of 22141043230420 is 2403234014122.

It can be written as a sum of positive squares in 8 ways, for example, as 123007324176 + 22018035906244 = 350724^2 + 4692338^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80425566 + ... + 80700394.

It is an arithmetic number, because the mean of its divisors is an integer number (974882060355).

Almost surely, 222141043230420 is an apocalyptic number.

22141043230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22141043230420 is an abundant number, since it is smaller than the sum of its proper divisors (24653295666620).

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

22141043230420 is a wasteful number, since it uses less digits than its factorization.

22141043230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300652 (or 300650 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22141043230420 its reverse (2403234014122), we get a palindrome (24544277244542).

The spelling of 22141043230420 in words is "twenty-two trillion, one hundred forty-one billion, forty-three million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 25657 51314 102628 128285 256570 274829 513140 549658 1099316 1374145 2748290 4028149 5496580 8056298 16112596 20140745 40281490 43148153 80562980 86296306 172592612 215740765 431481530 862963060 7051287653 14102575306 28205150612 35256438265 70512876530 141025753060 1107052161521 2214104323042 4428208646084 5535260807605 11070521615210 22141043230420