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2122130030321 = 72191226747519
BaseRepresentation
bin11110111000011000110…
…011100111111011110001
321111212120220001012202102
4132320120303213323301
5234232110241432241
64302520523230145
7306214234430300
oct36703063477361
97455526035672
102122130030321
11748a99095244
122a3349078355
13125167b222c2
14749d6a5c437
153a304e7d39b
hex1ee18ce7ef1

2122130030321 has 12 divisors (see below), whose sum is σ = 2481524858880. Its totient is φ = 1809445193640.

The previous prime is 2122130030243. The next prime is 2122130030333. The reversal of 2122130030321 is 1230300312212.

It is not a de Polignac number, because 2122130030321 - 230 = 2121056288497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2122130030293 and 2122130030302.

It is not an unprimeable number, because it can be changed into a prime (2122130039321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113364401 + ... + 113383118.

It is an arithmetic number, because the mean of its divisors is an integer number (206793738240).

Almost surely, 22122130030321 is an apocalyptic number.

It is an amenable number.

2122130030321 is a deficient number, since it is larger than the sum of its proper divisors (359394828559).

2122130030321 is a wasteful number, since it uses less digits than its factorization.

2122130030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226747724 (or 226747717 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2122130030321 its reverse (1230300312212), we get a palindrome (3352430342533).

The spelling of 2122130030321 in words is "two trillion, one hundred twenty-two billion, one hundred thirty million, thirty thousand, three hundred twenty-one".

Divisors: 1 7 49 191 1337 9359 226747519 1587232633 11110628431 43308776129 303161432903 2122130030321