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213113212210 = 2537956230399
BaseRepresentation
bin1100011001111010001…
…0011000110100110010
3202101002020002212220201
43012132202120310302
511442423440242320
6241523003425414
721253100262253
oct3063642306462
9671066085821
10213113212210
1182420941668
123537722526a
1317133cac342
14a4598bab2a
1558247da70a
hex319e898d32

213113212210 has 16 divisors (see below), whose sum is σ = 384615936000. Its totient is φ = 85020361776.

The previous prime is 213113212189. The next prime is 213113212223. The reversal of 213113212210 is 12212311312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28111410 + ... + 28118989.

It is an arithmetic number, because the mean of its divisors is an integer number (24038496000).

Almost surely, 2213113212210 is an apocalyptic number.

213113212210 is a deficient number, since it is larger than the sum of its proper divisors (171502723790).

213113212210 is a wasteful number, since it uses less digits than its factorization.

213113212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56230785.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213113212210 its reverse (12212311312), we get a palindrome (225325523522).

The spelling of 213113212210 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 379 758 1895 3790 56230399 112460798 281151995 562303990 21311321221 42622642442 106556606105 213113212210