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2102143102 = 21051071551
BaseRepresentation
bin111110101001100…
…0010100001111110
312102111112221012221
41331103002201332
513301122034402
6544332115554
7103043631043
oct17523024176
95374487187
102102143102
11989672254
124a8005bba
1327668b477
1415d2871ca
15c483c337
hex7d4c287e

2102143102 has 4 divisors (see below), whose sum is σ = 3153214656. Its totient is φ = 1051071550.

The previous prime is 2102143051. The next prime is 2102143117. The reversal of 2102143102 is 2013412012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525535774 + ... + 525535777.

It is an arithmetic number, because the mean of its divisors is an integer number (788303664).

Almost surely, 22102143102 is an apocalyptic number.

2102143102 is a deficient number, since it is larger than the sum of its proper divisors (1051071554).

2102143102 is a wasteful number, since it uses less digits than its factorization.

2102143102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051071553.

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

The square root of 2102143102 is about 45849.1341466772. The cubic root of 2102143102 is about 1281.0146378000.

Adding to 2102143102 its reverse (2013412012), we get a palindrome (4115555114).

The spelling of 2102143102 in words is "two billion, one hundred two million, one hundred forty-three thousand, one hundred two".

Divisors: 1 2 1051071551 2102143102