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1244102212 = 229710912939
BaseRepresentation
bin100101000100111…
…0111111001000100
310012200222221101201
41022021313321010
510021442232322
6323241232244
742554460103
oct11211677104
93180887351
101244102212
11589299451
122a8792684
1316a996272
14bb33003a
157434cd27
hex4a277e44

1244102212 has 24 divisors (see below), whose sum is σ = 2202389280. Its totient is φ = 614864640.

The previous prime is 1244102203. The next prime is 1244102213. The reversal of 1244102212 is 2122014421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244102212.

It is not an unprimeable number, because it can be changed into a prime (1244102213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421839 + ... + 424777.

It is an arithmetic number, because the mean of its divisors is an integer number (91766220).

Almost surely, 21244102212 is an apocalyptic number.

It is an amenable number.

1244102212 is a deficient number, since it is larger than the sum of its proper divisors (958287068).

1244102212 is a wasteful number, since it uses less digits than its factorization.

1244102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1244102212 is about 35271.8331250305. The cubic root of 1244102212 is about 1075.5204869472.

Adding to 1244102212 its reverse (2122014421), we get a palindrome (3366116633).

The spelling of 1244102212 in words is "one billion, two hundred forty-four million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 97 194 388 1091 2182 2939 4364 5878 11756 105827 211654 285083 423308 570166 1140332 3206449 6412898 12825796 311025553 622051106 1244102212