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213212020333 = 1317964760273
BaseRepresentation
bin1100011010010001101…
…1010011111001101101
3202101100010000212011211
43012210123103321231
511443124234122313
6241540453314421
721255410161504
oct3064433237155
9671303025154
10213212020333
1182471699674
12353a4335a11
131714b5c64a0
14a468a7b83b
15582d306e3d
hex31a46d3e6d

213212020333 has 8 divisors (see below), whose sum is σ = 243119589048. Its totient is φ = 185233972224.

The previous prime is 213212020327. The next prime is 213212020337. The reversal of 213212020333 is 333020212312.

It can be written as a sum of positive squares in 4 ways, for example, as 338670409 + 212873349924 = 18403^2 + 461382^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 213212020333 - 221 = 213209923181 is a prime.

It is a super-2 number, since 2×2132120203332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213212020337) 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, 482379916 + ... + 482380357.

It is an arithmetic number, because the mean of its divisors is an integer number (30389948631).

Almost surely, 2213212020333 is an apocalyptic number.

It is an amenable number.

213212020333 is a deficient number, since it is larger than the sum of its proper divisors (29907568715).

213212020333 is a wasteful number, since it uses less digits than its factorization.

213212020333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964760303.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213212020333 its reverse (333020212312), we get a palindrome (546232232645).

The spelling of 213212020333 in words is "two hundred thirteen billion, two hundred twelve million, twenty thousand, three hundred thirty-three".

Divisors: 1 13 17 221 964760273 12541883549 16400924641 213212020333