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213210303212 = 2261386953631
BaseRepresentation
bin1100011010010001010…
…0110000101011101100
3202101022222210121201202
43012210110300223230
511443123314200322
6241540352425032
721255356450354
oct3064424605354
9671288717652
10213210303212
1182470726565
12353a3848178
131714b144a3a
14a468751b64
15582d0b8292
hex31a4530aec

213210303212 has 12 divisors (see below), whose sum is σ = 373726710336. Its totient is φ = 106431243120.

The previous prime is 213210303179. The next prime is 213210303239. The reversal of 213210303212 is 212303012312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43474364 + ... + 43479267.

It is an arithmetic number, because the mean of its divisors is an integer number (31143892528).

Almost surely, 2213210303212 is an apocalyptic number.

It is an amenable number.

213210303212 is a deficient number, since it is larger than the sum of its proper divisors (160516407124).

213210303212 is a wasteful number, since it uses less digits than its factorization.

213210303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86954248 (or 86954246 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213210303212 its reverse (212303012312), we get a palindrome (425513315524).

The spelling of 213210303212 in words is "two hundred thirteen billion, two hundred ten million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 4 613 1226 2452 86953631 173907262 347814524 53302575803 106605151606 213210303212