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22101200023 = 73157314289
BaseRepresentation
bin10100100101010101…
…011000110010010111
32010001021022021210211
4110211111120302113
5330230401400043
614053025230251
71411455046330
oct244525306227
963037267724
1022101200023
119411607771
124349792387
132112ac5a66
1410d93a5287
1589546da9d
hex525558c97

22101200023 has 4 divisors (see below), whose sum is σ = 25258514320. Its totient is φ = 18943885728.

The previous prime is 22101199987. The next prime is 22101200039. The reversal of 22101200023 is 32000210122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32000210122 = 216000105061.

It is a cyclic number.

It is not a de Polignac number, because 22101200023 - 233 = 13511265431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101199976 and 22101200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578657138 + ... + 1578657151.

It is an arithmetic number, because the mean of its divisors is an integer number (6314628580).

Almost surely, 222101200023 is an apocalyptic number.

22101200023 is a deficient number, since it is larger than the sum of its proper divisors (3157314297).

22101200023 is an equidigital number, since it uses as much as digits as its factorization.

22101200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157314296.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22101200023 its reverse (32000210122), we get a palindrome (54101410145).

The spelling of 22101200023 in words is "twenty-two billion, one hundred one million, two hundred thousand, twenty-three".

Divisors: 1 7 3157314289 22101200023