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11123110103 = 721013077321
BaseRepresentation
bin10100101101111110…
…10011000011010111
31001201012002112112212
422112333103003113
5140240004010403
65035422504035
7542432606300
oct122677230327
931635075485
1011123110103
114798784286
1221a513501b
1310835a0071
147773997a7
154517ab4d8
hex296fd30d7

11123110103 has 24 divisors (see below), whose sum is σ = 13111593264. Its totient is φ = 9407664000.

The previous prime is 11123110073. The next prime is 11123110121. The reversal of 11123110103 is 30101132111.

It is a happy number.

It is not a de Polignac number, because 11123110103 - 26 = 11123110039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123112103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515683 + ... + 1523003.

It is an arithmetic number, because the mean of its divisors is an integer number (546316386).

Almost surely, 211123110103 is an apocalyptic number.

11123110103 is a deficient number, since it is larger than the sum of its proper divisors (1988483161).

11123110103 is a wasteful number, since it uses less digits than its factorization.

11123110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7736 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11123110103 its reverse (30101132111), we get a palindrome (41224242214).

The spelling of 11123110103 in words is "eleven billion, one hundred twenty-three million, one hundred ten thousand, one hundred three".

Divisors: 1 7 49 101 307 707 2149 4949 7321 15043 31007 51247 217049 358729 739421 1519343 2247547 5175947 15732829 36231629 110129803 227002247 1589015729 11123110103