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133400234213 is a prime number
BaseRepresentation
bin111110000111101000…
…1100000100011100101
3110202022220002001002022
41330033101200203211
54141200424443323
6141141101552525
712431532165431
oct1741721404345
9422286061068
10133400234213
1151635a55454
1221a2b575745
13c76c48013c
146656cd79c1
15370b6154c8
hex1f0f4608e5

133400234213 has 2 divisors, whose sum is σ = 133400234214. Its totient is φ = 133400234212.

The previous prime is 133400234207. The next prime is 133400234239. The reversal of 133400234213 is 312432004331.

It is an a-pointer prime, because the next prime (133400234239) can be obtained adding 133400234213 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73444794049 + 59955440164 = 271007^2 + 244858^2 .

It is an emirp because it is prime and its reverse (312432004331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133400234213 - 216 = 133400168677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133400234243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66700117106 + 66700117107.

It is an arithmetic number, because the mean of its divisors is an integer number (66700117107).

Almost surely, 2133400234213 is an apocalyptic number.

It is an amenable number.

133400234213 is a deficient number, since it is larger than the sum of its proper divisors (1).

133400234213 is an equidigital number, since it uses as much as digits as its factorization.

133400234213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 133400234213 its reverse (312432004331), we get a palindrome (445832238544).

The spelling of 133400234213 in words is "one hundred thirty-three billion, four hundred million, two hundred thirty-four thousand, two hundred thirteen".