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2102113203 = 319251349421
BaseRepresentation
bin111110101001011…
…1011001110110011
312102111111102012120
41331102323032303
513301120110303
6544331325323
7103043444631
oct17522731663
95374442176
102102113203
11989651843
124a7bb0843
1327667a988
1415d27a351
15c4833553
hex7d4bb3b3

2102113203 has 32 divisors (see below), whose sum is σ = 2977632000. Its totient is φ = 1315440000.

The previous prime is 2102113199. The next prime is 2102113219. The reversal of 2102113203 is 3023112012.

It is not a de Polignac number, because 2102113203 - 22 = 2102113199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102113003) 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, 4992933 + ... + 4993353.

It is an arithmetic number, because the mean of its divisors is an integer number (93051000).

Almost surely, 22102113203 is an apocalyptic number.

2102113203 is a deficient number, since it is larger than the sum of its proper divisors (875518797).

2102113203 is a wasteful number, since it uses less digits than its factorization.

2102113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2102113203 is about 45848.8080870157. The cubic root of 2102113203 is about 1281.0085644364.

Adding to 2102113203 its reverse (3023112012), we get a palindrome (5125225215).

The spelling of 2102113203 in words is "two billion, one hundred two million, one hundred thirteen thousand, two hundred three".

Divisors: 1 3 19 57 251 349 421 753 1047 1263 4769 6631 7999 14307 19893 23997 87599 105671 146929 262797 317013 440787 1664381 2007749 2791651 4993143 6023247 8374953 36879179 110637537 700704401 2102113203