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29870208911 is a prime number
BaseRepresentation
bin11011110100011001…
…110011011110001111
32212002201001211110202
4123310121303132033
5442133233141121
621415554124115
72105132405114
oct336431633617
985081054422
1029870208911
1111738a55074
12595758063b
132a8052073a
14163510090b
15b9c53c40b
hex6f467378f

29870208911 has 2 divisors, whose sum is σ = 29870208912. Its totient is φ = 29870208910.

The previous prime is 29870208889. The next prime is 29870208919. The reversal of 29870208911 is 11980207892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29870208911 - 26 = 29870208847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29870208919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14935104455 + 14935104456.

It is an arithmetic number, because the mean of its divisors is an integer number (14935104456).

Almost surely, 229870208911 is an apocalyptic number.

29870208911 is a deficient number, since it is larger than the sum of its proper divisors (1).

29870208911 is an equidigital number, since it uses as much as digits as its factorization.

29870208911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 29870208911 in words is "twenty-nine billion, eight hundred seventy million, two hundred eight thousand, nine hundred eleven".