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1213113200211 = 321119644929931
BaseRepresentation
bin10001101001110011001…
…011100110111001010011
311021222020221111200221100
4101221303023212321103
5124333423434401321
62325144013555443
7153434035031313
oct21516313467123
94258227450840
101213113200211
11428529859540
121771391a5b83
138a51c272583
1442a01d1d443
152185104d326
hex11a732e6e53

1213113200211 has 24 divisors (see below), whose sum is σ = 2012181387840. Its totient is φ = 696524324400.

The previous prime is 1213113200113. The next prime is 1213113200263. The reversal of 1213113200211 is 1120023113121.

1213113200211 is a `hidden beast` number, since 1 + 2 + 131 + 1 + 320 + 0 + 211 = 666.

It is not a de Polignac number, because 1213113200211 - 29 = 1213113199699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213113205211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322463085 + ... + 322466846.

It is an arithmetic number, because the mean of its divisors is an integer number (83840891160).

Almost surely, 21213113200211 is an apocalyptic number.

1213113200211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1213113200211 is a deficient number, since it is larger than the sum of its proper divisors (799068187629).

1213113200211 is a wasteful number, since it uses less digits than its factorization.

1213113200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644929967 (or 644929964 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1213113200211 its reverse (1120023113121), we get a palindrome (2333136313332).

The spelling of 1213113200211 in words is "one trillion, two hundred thirteen billion, one hundred thirteen million, two hundred thousand, two hundred eleven".

Divisors: 1 3 9 11 19 33 57 99 171 209 627 1881 644929931 1934789793 5804369379 7094229241 12253668689 21282687723 36761006067 63848063169 110283018201 134790355579 404371066737 1213113200211