Search a number
-
+
2002222021212 = 2233721112551857
BaseRepresentation
bin11101001000101101101…
…110110111101001011100
321002102002021222020001000
4131020231232313221130
5230301022314134322
64131450314350300
7264440633242020
oct35105556675134
97072067866030
102002222021212
11702157151256
1228406412b390
13116a68a0611a
146cc9da20380
15371380e93ac
hex1d22dbb7a5c

2002222021212 has 96 divisors (see below), whose sum is σ = 5960626327040. Its totient is φ = 569352188160.

The previous prime is 2002222021207. The next prime is 2002222021249. The reversal of 2002222021212 is 2121202222002.

2002222021212 is a `hidden beast` number, since 200 + 22 + 220 + 212 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6116413 + ... + 6435444.

Almost surely, 22002222021212 is an apocalyptic number.

It is an amenable number.

2002222021212 is an abundant number, since it is smaller than the sum of its proper divisors (3958404305828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002222021212 is a wasteful number, since it uses less digits than its factorization.

2002222021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552088 (or 12552080 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2002222021212 its reverse (2121202222002), we get a palindrome (4123424243214).

The spelling of 2002222021212 in words is "two trillion, two billion, two hundred twenty-two million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 211 252 378 422 633 756 844 1266 1477 1899 2532 2954 3798 4431 5697 5908 7596 8862 11394 13293 17724 22788 26586 39879 53172 79758 159516 12551857 25103714 37655571 50207428 75311142 87862999 112966713 150622284 175725998 225933426 263588997 338900139 351451996 451866852 527177994 677800278 790766991 1054355988 1355600556 1581533982 2372300973 2648441827 3163067964 4744601946 5296883654 7945325481 9489203892 10593767308 15890650962 18539092789 23835976443 31781301924 37078185578 47671952886 55617278367 71507929329 74156371156 95343905772 111234556734 143015858658 166851835101 222469113468 286031717316 333703670202 500555505303 667407340404 1001111010606 2002222021212