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201100001103 = 351867443263
BaseRepresentation
bin1011101101001001111…
…1100111111101001111
3201020002000010112100000
42323102133213331033
511243323100013403
6232214542535343
720346305543211
oct2732237477517
9636060115300
10201100001103
1178316787321
1232b83b97553
1315c6b1a04c1
149a3a2205b1
15536ed0a7a3
hex2ed27e7f4f

201100001103 has 24 divisors (see below), whose sum is σ = 301398243328. Its totient is φ = 133994556504.

The previous prime is 201100001101. The next prime is 201100001111. The reversal of 201100001103 is 301100001102.

It is not a de Polignac number, because 201100001103 - 21 = 201100001101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100001101) 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, 232050 + ... + 675312.

Almost surely, 2201100001103 is an apocalyptic number.

201100001103 is a deficient number, since it is larger than the sum of its proper divisors (100298242225).

201100001103 is an equidigital number, since it uses as much as digits as its factorization.

201100001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445145 (or 445133 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 201100001103 its reverse (301100001102), we get a palindrome (502200002205).

Subtracting 201100001103 from its reverse (301100001102), we obtain a palindrome (99999999999).

The spelling of 201100001103 in words is "two hundred one billion, one hundred million, one thousand, one hundred three".

Divisors: 1 3 9 27 81 243 1867 5601 16803 50409 151227 443263 453681 1329789 3989367 11968101 35904303 107712909 827572021 2482716063 7448148189 22344444567 67033333701 201100001103