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2102202103 = 4348888421
BaseRepresentation
bin111110101001101…
…0000111011110111
312102111122221011011
41331103100323313
513301130431403
6544333253051
7103044265051
oct17523207367
95374587134
102102202103
11989702611
124a8034187
132766ac291
1415d2a08d1
15c484ea6d
hex7d4d0ef7

2102202103 has 4 divisors (see below), whose sum is σ = 2151090568. Its totient is φ = 2053313640.

The previous prime is 2102202077. The next prime is 2102202131. The reversal of 2102202103 is 3012022012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2102202103 - 25 = 2102202071 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 (2102202203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24444168 + ... + 24444253.

It is an arithmetic number, because the mean of its divisors is an integer number (537772642).

Almost surely, 22102202103 is an apocalyptic number.

2102202103 is a deficient number, since it is larger than the sum of its proper divisors (48888465).

2102202103 is an equidigital number, since it uses as much as digits as its factorization.

2102202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48888464.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2102202103 is about 45849.7775676175. Note that the first 3 decimals coincide. The cubic root of 2102202103 is about 1281.0266224642.

Adding to 2102202103 its reverse (3012022012), we get a palindrome (5114224115).

The spelling of 2102202103 in words is "two billion, one hundred two million, two hundred two thousand, one hundred three".

Divisors: 1 43 48888421 2102202103