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211934329609 is a prime number
BaseRepresentation
bin1100010101100001000…
…1010011101100001001
3202021001001211110000011
43011120101103230021
511433020142021414
6241210012111521
721211634035612
oct3053021235411
9667031743004
10211934329609
1181976449722
12350a84655a1
1316ca699ca82
14a3870c6c09
1557a6071dc4
hex3158453b09

211934329609 has 2 divisors, whose sum is σ = 211934329610. Its totient is φ = 211934329608.

The previous prime is 211934329597. The next prime is 211934329643. The reversal of 211934329609 is 906923439112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211597240009 + 337089600 = 459997^2 + 18360^2 .

It is a cyclic number.

It is not a de Polignac number, because 211934329609 - 229 = 211397458697 is a prime.

It is not a weakly prime, because it can be changed into another prime (211934329669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105967164804 + 105967164805.

It is an arithmetic number, because the mean of its divisors is an integer number (105967164805).

Almost surely, 2211934329609 is an apocalyptic number.

It is an amenable number.

211934329609 is a deficient number, since it is larger than the sum of its proper divisors (1).

211934329609 is an equidigital number, since it uses as much as digits as its factorization.

211934329609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 211934329609 in words is "two hundred eleven billion, nine hundred thirty-four million, three hundred twenty-nine thousand, six hundred nine".