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20102200103 = 17107151163449
BaseRepresentation
bin10010101110001011…
…110011101100100111
31220212221211120102202
4102232023303230213
5312132130400403
613122415525115
71311102611246
oct225613635447
956787746382
1020102200103
118586193517
123a9022979b
131b8490b97b
14d89aca95d
157c9c07688
hex4ae2f3b27

20102200103 has 32 divisors (see below), whose sum is σ = 21807014400. Its totient is φ = 18463334400.

The previous prime is 20102200081. The next prime is 20102200141. The reversal of 20102200103 is 30100220102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20102200103 - 26 = 20102200039 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 (20102200403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44770823 + ... + 44771271.

It is an arithmetic number, because the mean of its divisors is an integer number (681469200).

Almost surely, 220102200103 is an apocalyptic number.

20102200103 is a deficient number, since it is larger than the sum of its proper divisors (1704814297).

20102200103 is a wasteful number, since it uses less digits than its factorization.

20102200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20102200103 its reverse (30100220102), we get a palindrome (50202420205).

The spelling of 20102200103 in words is "twenty billion, one hundred two million, two hundred thousand, one hundred three".

Divisors: 1 17 107 151 163 449 1819 2567 2771 7633 16157 17441 24613 48043 67799 73187 274669 296497 418421 816731 1152583 1244179 2633591 7254493 7831009 11051237 44771047 123326381 133127153 187871029 1182482359 20102200103