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103203210111 = 31371971274633
BaseRepresentation
bin110000000011101100…
…1000000001101111111
3100212101102001021110020
41200013121000031333
53142330010210421
6115224430543223
710312320545331
oct1400731001577
9325342037406
10103203210111
113a84a581291
1218002667b13
139969333441
144dd0643451
152a4056ddc6
hex180764037f

103203210111 has 16 divisors (see below), whose sum is σ = 139312397664. Its totient is φ = 67953181184.

The previous prime is 103203210067. The next prime is 103203210133. The reversal of 103203210111 is 111012302301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103203210111 - 229 = 102666339199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203210161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556350 + ... + 718283.

It is an arithmetic number, because the mean of its divisors is an integer number (8707024854).

Almost surely, 2103203210111 is an apocalyptic number.

103203210111 is a deficient number, since it is larger than the sum of its proper divisors (36109187553).

103203210111 is a wasteful number, since it uses less digits than its factorization.

103203210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274970.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103203210111 its reverse (111012302301), we get a palindrome (214215512412).

The spelling of 103203210111 in words is "one hundred three billion, two hundred three million, two hundred ten thousand, one hundred eleven".

Divisors: 1 3 137 197 411 591 26989 80967 1274633 3823899 174624721 251102701 523874163 753308103 34401070037 103203210111