Search a number
-
+
2100202321 = 71740943151
BaseRepresentation
bin111110100101110…
…1000101101010001
312102100220022222011
41331023220231101
513300122433241
6544222342521
7103021265560
oct17513505521
95370808864
102100202321
119885670a8
124a742aa41
1327615bc89
1415ccddbd7
15c45a7281
hex7d2e8b51

2100202321 has 16 divisors (see below), whose sum is σ = 2547694080. Its totient is φ = 1690099200.

The previous prime is 2100202319. The next prime is 2100202337. The reversal of 2100202321 is 1232020012.

It is not a de Polignac number, because 2100202321 - 21 = 2100202319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100202361) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 27096 + ... + 70246.

It is an arithmetic number, because the mean of its divisors is an integer number (159230880).

Almost surely, 22100202321 is an apocalyptic number.

It is an amenable number.

2100202321 is a deficient number, since it is larger than the sum of its proper divisors (447491759).

2100202321 is a wasteful number, since it uses less digits than its factorization.

2100202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43584.

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

The square root of 2100202321 is about 45827.9643994799. The cubic root of 2100202321 is about 1280.6202887553.

Adding to 2100202321 its reverse (1232020012), we get a palindrome (3332222333).

The spelling of 2100202321 in words is "two billion, one hundred million, two hundred two thousand, three hundred twenty-one".

Divisors: 1 7 17 119 409 2863 6953 43151 48671 302057 733567 5134969 17648759 123541313 300028903 2100202321