Search a number
-
+
212424223030 = 2543871956659
BaseRepresentation
bin1100010111010101111…
…0000110100100110110
3202022022012122121102221
43011311132012210312
511440021100114110
6241330352152554
721230033050405
oct3056536064466
9668265577387
10212424223030
11820a7a32918
123520453875a
1317054326936
14a3d21ab63c
1557d40907da
hex3175786936

212424223030 has 32 divisors (see below), whose sum is σ = 391307558400. Its totient is φ = 82982666592.

The previous prime is 212424222953. The next prime is 212424223031. The reversal of 212424223030 is 30322424212.

It is a junction number, because it is equal to n+sod(n) for n = 212424222986 and 212424223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424223031) 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, 3720841 + ... + 3777499.

It is an arithmetic number, because the mean of its divisors is an integer number (12228361200).

Almost surely, 2212424223030 is an apocalyptic number.

212424223030 is a deficient number, since it is larger than the sum of its proper divisors (178883335370).

212424223030 is a wasteful number, since it uses less digits than its factorization.

212424223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65428.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 212424223030 its reverse (30322424212), we get a palindrome (242746647242).

The spelling of 212424223030 in words is "two hundred twelve billion, four hundred twenty-four million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 43 86 215 430 8719 17438 43595 56659 87190 113318 283295 374917 566590 749834 1874585 2436337 3749170 4872674 12181685 24363370 494009821 988019642 2470049105 4940098210 21242422303 42484844606 106212111515 212424223030