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213120112203 = 33281127721997
BaseRepresentation
bin1100011001111011110…
…0101101011001001011
3202101002201002102221000
43012132330231121023
511442432222042303
6241523411350043
721253213030665
oct3063674553113
9671081072830
10213120112203
1182424824739
12353795b2323
1317135556b8b
14a45a795535
1558251eeda3
hex319ef2d64b

213120112203 has 32 divisors (see below), whose sum is σ = 317119648320. Its totient is φ = 141457155840.

The previous prime is 213120112193. The next prime is 213120112207. The reversal of 213120112203 is 302211021312.

It is not a de Polignac number, because 213120112203 - 29 = 213120111691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213120112207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9677601 + ... + 9699597.

It is an arithmetic number, because the mean of its divisors is an integer number (9909989010).

Almost surely, 2213120112203 is an apocalyptic number.

213120112203 is a deficient number, since it is larger than the sum of its proper divisors (103999536117).

213120112203 is a wasteful number, since it uses less digits than its factorization.

213120112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23564 (or 23558 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213120112203 its reverse (302211021312), we get a palindrome (515331133515).

The spelling of 213120112203 in words is "two hundred thirteen billion, one hundred twenty million, one hundred twelve thousand, two hundred three".

Divisors: 1 3 9 27 281 843 1277 2529 3831 7587 11493 21997 34479 65991 197973 358837 593919 1076511 3229533 6181157 9688599 18543471 28090169 55630413 84270507 166891239 252811521 758434563 7893337489 23680012467 71040037401 213120112203