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4212404212 = 221377686869
BaseRepresentation
bin1111101100010100…
…0010111111110100
3101212120101022020211
43323011002333310
532111333413322
61533554235204
7206246562562
oct37305027764
911776338224
104212404212
1118718796a5
12996885b04
1352192c993
142bd644a32
15199c2eb77
hexfb142ff4

4212404212 has 12 divisors (see below), whose sum is σ = 7425516420. Its totient is φ = 2090828096.

The previous prime is 4212404197. The next prime is 4212404213. The reversal of 4212404212 is 2124042124.

It can be written as a sum of positive squares in 2 ways, for example, as 2741988496 + 1470415716 = 52364^2 + 38346^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212404213) 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 3 ways as a sum of consecutive naturals, for example, 3842887 + ... + 3843982.

It is an arithmetic number, because the mean of its divisors is an integer number (618793035).

Almost surely, 24212404212 is an apocalyptic number.

It is an amenable number.

4212404212 is a deficient number, since it is larger than the sum of its proper divisors (3213112208).

4212404212 is a wasteful number, since it uses less digits than its factorization.

4212404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687010 (or 7687008 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4212404212 is about 64903.0370013607. The cubic root of 4212404212 is about 1615.0154429219.

Adding to 4212404212 its reverse (2124042124), we get a palindrome (6336446336).

The spelling of 4212404212 in words is "four billion, two hundred twelve million, four hundred four thousand, two hundred twelve".

Divisors: 1 2 4 137 274 548 7686869 15373738 30747476 1053101053 2106202106 4212404212