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21224032514236 = 2236833144055823
BaseRepresentation
bin1001101001101100110101…
…11010110011000010111100
32210010222221022120211111001
410310312122322303002330
510240213304310423421
6113050104054540044
74320246211515046
oct464663272630274
983128838524431
1021224032514236
116843075054842
122469439667624
13bac557840266
1453536a446a96
1526c144836691
hex134d9aeb30bc

21224032514236 has 12 divisors (see below), whose sum is σ = 37143065548512. Its totient is φ = 10611728071808.

The previous prime is 21224032514203. The next prime is 21224032514327. The reversal of 21224032514236 is 63241523042212.

It is a happy number.

21224032514236 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 21224032514195 and 21224032514204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71880580 + ... + 72175243.

It is an arithmetic number, because the mean of its divisors is an integer number (3095255462376).

Almost surely, 221224032514236 is an apocalyptic number.

It is an amenable number.

21224032514236 is a deficient number, since it is larger than the sum of its proper divisors (15919033034276).

21224032514236 is a wasteful number, since it uses less digits than its factorization.

21224032514236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144092660 (or 144092658 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 21224032514236 its reverse (63241523042212), we get a palindrome (84465555556448).

The spelling of 21224032514236 in words is "twenty-one trillion, two hundred twenty-four billion, thirty-two million, five hundred fourteen thousand, two hundred thirty-six".

Divisors: 1 2 4 36833 73666 147332 144055823 288111646 576223292 5306008128559 10612016257118 21224032514236