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2121022323030 = 235135438518777
BaseRepresentation
bin11110110111010110110…
…010000011100101010110
321111202201200200212000110
4132313112302003211112
5234222323203314110
64302214553223450
7306144624164052
oct36672662034526
97452650625013
102121022323030
1174857a896376
122a309a101b86
1312501c4a34c0
147492d8b4c62
153a28cac3a20
hex1edd6c83956

2121022323030 has 32 divisors (see below), whose sum is σ = 5482026928224. Its totient is φ = 522097802496.

The previous prime is 2121022323029. The next prime is 2121022323053. The reversal of 2121022323030 is 303232201212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121022322988 and 2121022323006.

It is a congruent 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, 2719258999 + ... + 2719259778.

It is an arithmetic number, because the mean of its divisors is an integer number (171313341507).

Almost surely, 22121022323030 is an apocalyptic number.

2121022323030 is an abundant number, since it is smaller than the sum of its proper divisors (3361004605194).

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

2121022323030 is a wasteful number, since it uses less digits than its factorization.

2121022323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438518800.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2121022323030 its reverse (303232201212), we get a palindrome (2424254524242).

The spelling of 2121022323030 in words is "two trillion, one hundred twenty-one billion, twenty-two million, three hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 5438518777 10877037554 16315556331 27192593885 32631112662 54385187770 70700744101 81577781655 141401488202 163155563310 212102232303 353503720505 424204464606 707007441010 1060511161515 2121022323030