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2002321213 = 19479372393
BaseRepresentation
bin111011101011000…
…1111111100111101
312011112201110022221
41313112033330331
513100043234323
6530404405341
7100422310114
oct16726177475
95145643287
102002321213
11938292622
1247a6a6851
1325baaaa69
1414dd00c7b
15babc055d
hex7758ff3d

2002321213 has 16 divisors (see below), whose sum is σ = 2155749120. Its totient is φ = 1853819136.

The previous prime is 2002321151. The next prime is 2002321229. The reversal of 2002321213 is 3121232002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002321213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002321613) 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, 835545 + ... + 837937.

It is an arithmetic number, because the mean of its divisors is an integer number (134734320).

Almost surely, 22002321213 is an apocalyptic number.

It is an amenable number.

2002321213 is a deficient number, since it is larger than the sum of its proper divisors (153427907).

2002321213 is a wasteful number, since it uses less digits than its factorization.

2002321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2002321213 is about 44747.3039746530. The cubic root of 2002321213 is about 1260.4082856338.

Adding to 2002321213 its reverse (3121232002), we get a palindrome (5123553215).

The spelling of 2002321213 in words is "two billion, two million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 19 47 893 937 2393 17803 44039 45467 112471 836741 2136949 2242241 42602579 105385327 2002321213