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3123003242221 = 37831016933651
BaseRepresentation
bin101101011100100001011…
…111111011011011101101
3102001120000110120101202221
4231130201133323123231
5402131402312222341
610350404325515341
7441425634364522
oct55344137733355
912046013511687
103123003242221
11aa4504a06165
12425313572b51
13198661c95475
14ab22304b149
15563831cded1
hex2d7217fb6ed

3123003242221 has 8 divisors (see below), whose sum is σ = 3246052217184. Its totient is φ = 3001988134800.

The previous prime is 3123003242213. The next prime is 3123003242279. The reversal of 3123003242221 is 1222423003213.

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 3123003242221 - 23 = 3123003242213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123003242521) 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, 508463755 + ... + 508469896.

It is an arithmetic number, because the mean of its divisors is an integer number (405756527148).

Almost surely, 23123003242221 is an apocalyptic number.

It is an amenable number.

3123003242221 is a deficient number, since it is larger than the sum of its proper divisors (123048974963).

3123003242221 is a wasteful number, since it uses less digits than its factorization.

3123003242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016933771.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 3123003242221 its reverse (1222423003213), we get a palindrome (4345426245434).

The spelling of 3123003242221 in words is "three trillion, one hundred twenty-three billion, three million, two hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 37 83 3071 1016933651 37626545087 84405493033 3123003242221