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1222103113 = 71141387109
BaseRepresentation
bin100100011010111…
…1101000001001001
310011011121021022021
41020311331001021
510000324244423
6321133524441
742166463560
oct11065750111
93134537267
101222103113
11577933180
122a1343721
13166262c4a
14b8444bd7
157245495d
hex48d7d049

1222103113 has 16 divisors (see below), whose sum is σ = 1560827520. Its totient is φ = 929059200.

The previous prime is 1222103087. The next prime is 1222103171. The reversal of 1222103113 is 3113012221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222103113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222104113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190398 + ... + 196711.

It is an arithmetic number, because the mean of its divisors is an integer number (97551720).

Almost surely, 21222103113 is an apocalyptic number.

It is an amenable number.

1222103113 is a deficient number, since it is larger than the sum of its proper divisors (338724407).

1222103113 is a wasteful number, since it uses less digits than its factorization.

1222103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387168.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1222103113 is about 34958.5914046891. The cubic root of 1222103113 is about 1069.1433773322.

Adding to 1222103113 its reverse (3113012221), we get a palindrome (4335115334).

The spelling of 1222103113 in words is "one billion, two hundred twenty-two million, one hundred three thousand, one hundred thirteen".

Divisors: 1 7 11 41 77 287 451 3157 387109 2709763 4258199 15871469 29807393 111100283 174586159 1222103113