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11102221403 = 721317428919
BaseRepresentation
bin10100101011011111…
…00111010001011011
31001122201210021122022
422111233213101123
5140214132041103
65033355045055
7542060216300
oct122557472133
931581707568
1011102221403
114787a07299
12219a14078b
13107c1682a0
147746bd0a7
1544ea32138
hex295be745b

11102221403 has 12 divisors (see below), whose sum is σ = 13908278160. Its totient is φ = 8784174672.

The previous prime is 11102221387. The next prime is 11102221447. The reversal of 11102221403 is 30412220111.

It is not a de Polignac number, because 11102221403 - 24 = 11102221387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11102221103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8713823 + ... + 8715096.

It is an arithmetic number, because the mean of its divisors is an integer number (1159023180).

Almost surely, 211102221403 is an apocalyptic number.

11102221403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11102221403 is a deficient number, since it is larger than the sum of its proper divisors (2806056757).

11102221403 is a wasteful number, since it uses less digits than its factorization.

11102221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17428946 (or 17428939 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11102221403 its reverse (30412220111), we get a palindrome (41514441514).

The spelling of 11102221403 in words is "eleven billion, one hundred two million, two hundred twenty-one thousand, four hundred three".

Divisors: 1 7 13 49 91 637 17428919 122002433 226575947 854017031 1586031629 11102221403