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103203221311 = 1631796435501
BaseRepresentation
bin110000000011101100…
…1000010111100111111
3100212101102001211211001
41200013121002330333
53142330011040221
6115224431111131
710312320623101
oct1400731027477
9325342054731
10103203221311
113a84a589743
12180026724a7
139969338578
144dd0647571
152a40572391
hex1807642f3f

103203221311 has 16 divisors (see below), whose sum is σ = 104597861760. Its totient is φ = 101819916000.

The previous prime is 103203221249. The next prime is 103203221327. The reversal of 103203221311 is 113122302301.

It is a cyclic number.

It is not a de Polignac number, because 103203221311 - 27 = 103203221183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203221351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18758061 + ... + 18763561.

It is an arithmetic number, because the mean of its divisors is an integer number (6537366360).

Almost surely, 2103203221311 is an apocalyptic number.

103203221311 is a deficient number, since it is larger than the sum of its proper divisors (1394640449).

103203221311 is a wasteful number, since it uses less digits than its factorization.

103203221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103203221311 its reverse (113122302301), we get a palindrome (216325523612).

The spelling of 103203221311 in words is "one hundred three billion, two hundred three million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 163 179 643 5501 29177 104809 115097 896663 984679 3537143 18760811 160502677 576554309 633148597 103203221311