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22103103223 = 71311311313
BaseRepresentation
bin10100100101011100…
…101001011011110111
32010001101212222111201
4110211130221123313
5330231343300343
614053134113331
71411510164115
oct244534513367
963041788451
1022103103223
119412697663
12434a34b847
132113311106
1410d973cab5
158956e794d
hex5257296f7

22103103223 has 4 divisors (see below), whose sum is σ = 22414414608. Its totient is φ = 21791791840.

The previous prime is 22103103203. The next prime is 22103103227. The reversal of 22103103223 is 32230130122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22103103223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22103103223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103103227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155655586 + ... + 155655727.

It is an arithmetic number, because the mean of its divisors is an integer number (5603603652).

Almost surely, 222103103223 is an apocalyptic number.

22103103223 is a deficient number, since it is larger than the sum of its proper divisors (311311385).

22103103223 is an equidigital number, since it uses as much as digits as its factorization.

22103103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311311384.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22103103223 its reverse (32230130122), we get a palindrome (54333233345).

The spelling of 22103103223 in words is "twenty-two billion, one hundred three million, one hundred three thousand, two hundred twenty-three".

Divisors: 1 71 311311313 22103103223