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3023031221221 = 112152316404287
BaseRepresentation
bin101011111111011010101…
…100111011101111100101
3101200222222020120112111111
4223333122230323233211
5344012131443034341
610232432242305021
7431256350256454
oct53773254735745
911628866515444
103023031221221
11a66073350100
12409a73058171
1318c0bc200b5b
14a645b9d0b9b
155398166e681
hex2bfdab3bbe5

3023031221221 has 12 divisors (see below), whose sum is σ = 3325017943296. Its totient is φ = 2746405562120.

The previous prime is 3023031221101. The next prime is 3023031221279. The reversal of 3023031221221 is 1221221303203.

It is not a de Polignac number, because 3023031221221 - 213 = 3023031213029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3023031221192 and 3023031221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023031221521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8017861 + ... + 8386426.

It is an arithmetic number, because the mean of its divisors is an integer number (277084828608).

Almost surely, 23023031221221 is an apocalyptic number.

It is an amenable number.

3023031221221 is a deficient number, since it is larger than the sum of its proper divisors (301986722075).

3023031221221 is a wasteful number, since it uses less digits than its factorization.

3023031221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405832 (or 16405821 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3023031221221 its reverse (1221221303203), we get a palindrome (4244252524424).

The spelling of 3023031221221 in words is "three trillion, twenty-three billion, thirty-one million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 11 121 1523 16753 184283 16404287 180447157 1984918727 24983729101 274821020111 3023031221221