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2002212231 = 32772409401
BaseRepresentation
bin111011101010111…
…0101010110000111
312011112111220211120
41313111311112013
513100031242411
6530402205023
7100421344305
oct16725652607
95145456746
102002212231
11938218758
1247a653773
1325ba70286
1414dcb3275
15bab9d106
hex77575587

2002212231 has 8 divisors (see below), whose sum is σ = 2679255024. Its totient is φ = 1329988800.

The previous prime is 2002212193. The next prime is 2002212239. The reversal of 2002212231 is 1322122002.

It is a happy number.

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

It is not a de Polignac number, because 2002212231 - 26 = 2002212167 is a prime.

It is a super-2 number, since 2×20022122312 = 8017707635931994722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2002212231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002212239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203870 + ... + 1205531.

It is an arithmetic number, because the mean of its divisors is an integer number (334906878).

Almost surely, 22002212231 is an apocalyptic number.

2002212231 is a deficient number, since it is larger than the sum of its proper divisors (677042793).

2002212231 is a wasteful number, since it uses less digits than its factorization.

2002212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409681.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2002212231 is about 44746.0862087401. The cubic root of 2002212231 is about 1260.3854181227.

Adding to 2002212231 its reverse (1322122002), we get a palindrome (3324334233).

The spelling of 2002212231 in words is "two billion, two million, two hundred twelve thousand, two hundred thirty-one".

Divisors: 1 3 277 831 2409401 7228203 667404077 2002212231