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2002212212210 = 25767194257037
BaseRepresentation
bin11101001000101101001…
…001011100110111110010
321002102001121111212121122
4131020231021130313302
5230301012311242320
64131445324222242
7264440453666240
oct35105511346762
97072047455548
102002212212210
11702151661641
1228406099a982
13116a66980492
146cc9c5c9790
153713730cd25
hex1d22d25cdf2

2002212212210 has 32 divisors (see below), whose sum is σ = 4119450531840. Its totient is φ = 686370428352.

The previous prime is 2002212212197. The next prime is 2002212212219. The reversal of 2002212212210 is 122122122002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2002212212219) 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, 1658189 + ... + 2598848.

It is an arithmetic number, because the mean of its divisors is an integer number (128732829120).

Almost surely, 22002212212210 is an apocalyptic number.

2002212212210 is an abundant number, since it is smaller than the sum of its proper divisors (2117238319630).

2002212212210 is a wasteful number, since it uses less digits than its factorization.

2002212212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263770.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2002212212210 its reverse (122122122002), we get a palindrome (2124334334212).

The spelling of 2002212212210 in words is "two trillion, two billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 6719 13438 33595 47033 67190 94066 235165 470330 4257037 8514074 21285185 29799259 42570370 59598518 148996295 297992590 28603031603 57206063206 143015158015 200221221221 286030316030 400442442442 1001106106105 2002212212210