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2002043213 = 6073298259
BaseRepresentation
bin111011101010100…
…1100000101001101
312011112012022222122
41313111030011031
513100010340323
6530354422325
7100420041452
oct16725140515
95145168878
102002043213
11938112775
1247a5919a5
1325ba11371
1414dc6b829
15bab67ec8
hex7754c14d

2002043213 has 4 divisors (see below), whose sum is σ = 2005342080. Its totient is φ = 1998744348.

The previous prime is 2002043207. The next prime is 2002043231. The reversal of 2002043213 is 3123402002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002043213 - 218 = 2001781069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002043191 and 2002043200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002043273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648523 + ... + 1649736.

It is an arithmetic number, because the mean of its divisors is an integer number (501335520).

Almost surely, 22002043213 is an apocalyptic number.

It is an amenable number.

2002043213 is a deficient number, since it is larger than the sum of its proper divisors (3298867).

2002043213 is an equidigital number, since it uses as much as digits as its factorization.

2002043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298866.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2002043213 is about 44744.1975344290. The cubic root of 2002043213 is about 1260.3499517164.

Adding to 2002043213 its reverse (3123402002), we get a palindrome (5125445215).

The spelling of 2002043213 in words is "two billion, two million, forty-three thousand, two hundred thirteen".

Divisors: 1 607 3298259 2002043213