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2102143210 = 25210214321
BaseRepresentation
bin111110101001100…
…0010100011101010
312102111112221100221
41331103002203222
513301122040320
6544332120254
7103043631256
oct17523024352
95374487327
102102143210
11989672342
124a800608a
1327668b52b
1415d287266
15c483c3aa
hex7d4c28ea

2102143210 has 8 divisors (see below), whose sum is σ = 3783857796. Its totient is φ = 840857280.

The previous prime is 2102143129. The next prime is 2102143237. The reversal of 2102143210 is 123412012.

It can be written as a sum of positive squares in 2 ways, for example, as 1711725129 + 390418081 = 41373^2 + 19759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105107151 + ... + 105107170.

Almost surely, 22102143210 is an apocalyptic number.

2102143210 is a deficient number, since it is larger than the sum of its proper divisors (1681714586).

2102143210 is a wasteful number, since it uses less digits than its factorization.

2102143210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210214328.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2102143210 is about 45849.1353244530. The cubic root of 2102143210 is about 1281.0146597378.

Adding to 2102143210 its reverse (123412012), we get a palindrome (2225555222).

The spelling of 2102143210 in words is "two billion, one hundred two million, one hundred forty-three thousand, two hundred ten".

Divisors: 1 2 5 10 210214321 420428642 1051071605 2102143210