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120402223223321 = 1341641222418037
BaseRepresentation
bin11011011000000101010011…
…101111101101001000011001
3120210022100011221201211222202
4123120011103233231020121
5111240132223121121241
61104024003500255545
734234526222156624
oct3330052357551031
9523270157654882
10120402223223321
1135400329148156
1211606910b415b5
135224b5b53ac70
1421a36da5d6dbb
15ddbe11306d9b
hex6d8153bed219

120402223223321 has 8 divisors (see below), whose sum is σ = 129667047137544. Its totient is φ = 111137844228480.

The previous prime is 120402223223297. The next prime is 120402223223339. The reversal of 120402223223321 is 123322322204021.

It can be written as a sum of positive squares in 4 ways, for example, as 42192962263321 + 78209260960000 = 6495611^2 + 8843600^2 .

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 120402223223321 - 242 = 116004176712217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120402223225321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110667686 + ... + 111750351.

It is an arithmetic number, because the mean of its divisors is an integer number (16208380892193).

Almost surely, 2120402223223321 is an apocalyptic number.

It is an amenable number.

120402223223321 is a deficient number, since it is larger than the sum of its proper divisors (9264823914223).

120402223223321 is a wasteful number, since it uses less digits than its factorization.

120402223223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222459691.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 120402223223321 its reverse (123322322204021), we get a palindrome (243724545427342).

The spelling of 120402223223321 in words is "one hundred twenty trillion, four hundred two billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 13 41641 541333 222418037 2891434481 9261709478717 120402223223321