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122102220023 = 773238947593
BaseRepresentation
bin111000110110111011…
…1000000010011110111
3102200011111212110020022
41301231313000103313
54000031132020043
6132032030155355
711551543513520
oct1615567002367
9380144773208
10122102220023
114786857a143
121b7b7952b5b
13b68b8a1844
145ca460d847
15329980a868
hex1c6ddc04f7

122102220023 has 8 divisors (see below), whose sum is σ = 141456975648. Its totient is φ = 103225359744.

The previous prime is 122102220013. The next prime is 122102220067. The reversal of 122102220023 is 320022201221.

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 122102220023 - 212 = 122102215927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102219983 and 122102220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102220013) 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, 119473286 + ... + 119474307.

It is an arithmetic number, because the mean of its divisors is an integer number (17682121956).

Almost surely, 2122102220023 is an apocalyptic number.

122102220023 is a deficient number, since it is larger than the sum of its proper divisors (19354755625).

122102220023 is an equidigital number, since it uses as much as digits as its factorization.

122102220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238947673.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 122102220023 its reverse (320022201221), we get a palindrome (442124421244).

The spelling of 122102220023 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, twenty-three".

Divisors: 1 7 73 511 238947593 1672633151 17443174289 122102220023