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2103216873 = 31634301057
BaseRepresentation
bin111110101011100…
…1000101011101001
312102120120111011020
41331113020223221
513301410414443
6544411123053
7103056022422
oct17527105351
95376514136
102103216873
1198a235a6a
124a8443489
13276976134
1415d486649
15c49a0583
hex7d5c8ae9

2103216873 has 8 divisors (see below), whose sum is σ = 2821494048. Its totient is φ = 1393542144.

The previous prime is 2103216859. The next prime is 2103216877. The reversal of 2103216873 is 3786123012.

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

It is not a de Polignac number, because 2103216873 - 28 = 2103216617 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2103216877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150040 + ... + 2151017.

It is an arithmetic number, because the mean of its divisors is an integer number (352686756).

Almost surely, 22103216873 is an apocalyptic number.

It is an amenable number.

2103216873 is a deficient number, since it is larger than the sum of its proper divisors (718277175).

2103216873 is a wasteful number, since it uses less digits than its factorization.

2103216873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301223.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2103216873 is about 45860.8424802685. The cubic root of 2103216873 is about 1281.2327140147.

Adding to 2103216873 its reverse (3786123012), we get a palindrome (5889339885).

The spelling of 2103216873 in words is "two billion, one hundred three million, two hundred sixteen thousand, eight hundred seventy-three".

Divisors: 1 3 163 489 4301057 12903171 701072291 2103216873