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32221130212021 = 533515291729433
BaseRepresentation
bin1110101001110000100010…
…00001010100001010110101
311020002022100222001021121211
413110320101001110022311
513210402333313241041
6152310103300041421
76533620433602042
oct724702101241265
9136068328037554
1032221130212021
11a2a29a5002083
123744807393271
1314c959389870a
147d57223681c9
153ad22b2e9481
hex1d4e110542b5

32221130212021 has 8 divisors (see below), whose sum is σ = 32829188437080. Its totient is φ = 31613076148992.

The previous prime is 32221130212001. The next prime is 32221130212031. The reversal of 32221130212021 is 12021203112223.

It can be written as a sum of positive squares in 4 ways, for example, as 12957940881796 + 19263189330225 = 3599714^2 + 4388985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32221130212021 - 25 = 32221130211989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32221130211983 and 32221130212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221130212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17766321 + ... + 19495753.

It is an arithmetic number, because the mean of its divisors is an integer number (4103648554635).

Almost surely, 232221130212021 is an apocalyptic number.

It is an amenable number.

32221130212021 is a deficient number, since it is larger than the sum of its proper divisors (608058225059).

32221130212021 is a wasteful number, since it uses less digits than its factorization.

32221130212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081015.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 32221130212021 its reverse (12021203112223), we get a palindrome (44242333324244).

The spelling of 32221130212021 in words is "thirty-two trillion, two hundred twenty-one billion, one hundred thirty million, two hundred twelve thousand, twenty-one".

Divisors: 1 53 351529 1729433 18631037 91659949 607945853057 32221130212021