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212424010420 = 22523461791327
BaseRepresentation
bin1100010111010101110…
…1010010101010110100
3202022022012020210210111
43011311131102222310
511440021021313140
6241330343432404
721230031203506
oct3056535225264
9668265223714
10212424010420
11820a78a8106
1235204455704
1317054280c2b
14a3d2153d76
1557d404c7ea
hex3175752ab4

212424010420 has 24 divisors (see below), whose sum is σ = 465485658624. Its totient is φ = 81275273376.

The previous prime is 212424010417. The next prime is 212424010429. The reversal of 212424010420 is 24010424212.

It is a junction number, because it is equal to n+sod(n) for n = 212424010391 and 212424010400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424010429) 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, 230895204 + ... + 230896123.

It is an arithmetic number, because the mean of its divisors is an integer number (19395235776).

Almost surely, 2212424010420 is an apocalyptic number.

212424010420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212424010420 is an abundant number, since it is smaller than the sum of its proper divisors (253061648204).

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

212424010420 is a wasteful number, since it uses less digits than its factorization.

212424010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461791359 (or 461791357 counting only the distinct ones).

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

Adding to 212424010420 its reverse (24010424212), we get a palindrome (236434434632).

The spelling of 212424010420 in words is "two hundred twelve billion, four hundred twenty-four million, ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 461791327 923582654 1847165308 2308956635 4617913270 9235826540 10621200521 21242401042 42484802084 53106002605 106212005210 212424010420