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205224210430 = 2520522421043
BaseRepresentation
bin1011111100100001010…
…0001110111111111110
3201121201102120001221121
42333020110032333332
511330244344213210
6234140111021154
720553435002131
oct2771024167776
9647642501847
10205224210430
117a042797888
123393520a7ba
1316477760a55
149d0bc68218
155511e186da
hex2fc850effe

205224210430 has 8 divisors (see below), whose sum is σ = 369403578792. Its totient is φ = 82089684168.

The previous prime is 205224210421. The next prime is 205224210473. The reversal of 205224210430 is 34012422502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205224210395 and 205224210404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10261210512 + ... + 10261210531.

It is an arithmetic number, because the mean of its divisors is an integer number (46175447349).

Almost surely, 2205224210430 is an apocalyptic number.

205224210430 is a deficient number, since it is larger than the sum of its proper divisors (164179368362).

205224210430 is a wasteful number, since it uses less digits than its factorization.

205224210430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20522421050.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 205224210430 its reverse (34012422502), we get a palindrome (239236632932).

The spelling of 205224210430 in words is "two hundred five billion, two hundred twenty-four million, two hundred ten thousand, four hundred thirty".

Divisors: 1 2 5 10 20522421043 41044842086 102612105215 205224210430