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2002302213 = 31982342683
BaseRepresentation
bin111011101011000…
…1011010100000101
312011112200111021020
41313112023110011
513100042132323
6530404141353
7100422200532
oct16726132405
95145614236
102002302213
1193827a31a
1247a697859
1325baa2212
1414dcd7d89
15babb9ae3
hex7758b505

2002302213 has 16 divisors (see below), whose sum is σ = 2813729280. Its totient is φ = 1263045744.

The previous prime is 2002302161. The next prime is 2002302217. The reversal of 2002302213 is 3122032002.

It is not a de Polignac number, because 2002302213 - 26 = 2002302149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2002302192 and 2002302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002302217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25570 + ... + 68252.

It is an arithmetic number, because the mean of its divisors is an integer number (175858080).

Almost surely, 22002302213 is an apocalyptic number.

It is an amenable number.

2002302213 is a deficient number, since it is larger than the sum of its proper divisors (811427067).

2002302213 is a wasteful number, since it uses less digits than its factorization.

2002302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43528.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2002302213 is about 44747.0916708561. The cubic root of 2002302213 is about 1260.4042989552.

Adding to 2002302213 its reverse (3122032002), we get a palindrome (5124334215).

The spelling of 2002302213 in words is "two billion, two million, three hundred two thousand, two hundred thirteen".

Divisors: 1 3 19 57 823 2469 15637 42683 46911 128049 810977 2432931 35128109 105384327 667434071 2002302213