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212440034013 = 317311131189121
BaseRepresentation
bin1100010111011001101…
…0011010101011011101
3202022100022101220000220
43011312122122223131
511440034122042023
6241332115111553
721230314331514
oct3056632325335
9668308356026
10212440034013
1182105951949
12352098a25b9
13170576a144c
14a3d432567b
1557d56653e3
hex317669aadd

212440034013 has 32 divisors (see below), whose sum is σ = 312330028032. Its totient is φ = 127854182400.

The previous prime is 212440034011. The next prime is 212440034021. The reversal of 212440034013 is 310430044212.

It is not a de Polignac number, because 212440034013 - 21 = 212440034011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212440034011) 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, 415908 + ... + 773213.

It is an arithmetic number, because the mean of its divisors is an integer number (9760313376).

Almost surely, 2212440034013 is an apocalyptic number.

It is an amenable number.

212440034013 is a deficient number, since it is larger than the sum of its proper divisors (99889994019).

212440034013 is a wasteful number, since it uses less digits than its factorization.

212440034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189285.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212440034013 its reverse (310430044212), we get a palindrome (522870078225).

The spelling of 212440034013 in words is "two hundred twelve billion, four hundred forty million, thirty-four thousand, thirteen".

Divisors: 1 3 17 31 51 93 113 339 527 1581 1921 3503 5763 10509 59551 178653 1189121 3567363 20215057 36862751 60645171 110588253 134370673 403112019 626666767 1880000301 2284301441 4165490863 6852904323 12496472589 70813344671 212440034013