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213013230030 = 2335788937889
BaseRepresentation
bin1100011001100010010…
…0111111000111001110
3202100211020222021011000
43012120210333013032
511442222341330110
6241505032441130
721250444403106
oct3063044770716
9670736867130
10213013230030
118237a462567
12353498491a6
13171193739a3
14a44a4d2206
15581ab3b1c0
hex319893f1ce

213013230030 has 32 divisors (see below), whose sum is σ = 568035280800. Its totient is φ = 56803527936.

The previous prime is 213013230013. The next prime is 213013230077. The reversal of 213013230030 is 30032310312.

213013230030 is a `hidden beast` number, since 2 + 1 + 301 + 32 + 300 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213013229985 and 213013230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394468675 + ... + 394469214.

It is an arithmetic number, because the mean of its divisors is an integer number (17751102525).

Almost surely, 2213013230030 is an apocalyptic number.

213013230030 is an abundant number, since it is smaller than the sum of its proper divisors (355022050770).

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

213013230030 is a wasteful number, since it uses less digits than its factorization.

213013230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788937905 (or 788937899 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 213013230030 its reverse (30032310312), we get a palindrome (243045540342).

The spelling of 213013230030 in words is "two hundred thirteen billion, thirteen million, two hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 788937889 1577875778 2366813667 3944689445 4733627334 7100441001 7889378890 11834068335 14200882002 21301323003 23668136670 35502205005 42602646006 71004410010 106506615015 213013230030