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34210211897 is a prime number
BaseRepresentation
bin11111110111000101…
…100110100000111001
310021022011112211100002
4133313011212200321
51030030303240042
623414351322345
72320522001051
oct376705464071
9107264484302
1034210211897
11135658555a4
126768b203b5
1332c2707c44
14192767c561
15d53574132
hex7f7166839

34210211897 has 2 divisors, whose sum is σ = 34210211898. Its totient is φ = 34210211896.

The previous prime is 34210211881. The next prime is 34210211899. The reversal of 34210211897 is 79811201243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33566270521 + 643941376 = 183211^2 + 25376^2 .

It is a cyclic number.

It is not a de Polignac number, because 34210211897 - 24 = 34210211881 is a prime.

Together with 34210211899, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34210211897.

It is not a weakly prime, because it can be changed into another prime (34210211899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17105105948 + 17105105949.

It is an arithmetic number, because the mean of its divisors is an integer number (17105105949).

Almost surely, 234210211897 is an apocalyptic number.

It is an amenable number.

34210211897 is a deficient number, since it is larger than the sum of its proper divisors (1).

34210211897 is an equidigital number, since it uses as much as digits as its factorization.

34210211897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 34210211897 in words is "thirty-four billion, two hundred ten million, two hundred eleven thousand, eight hundred ninety-seven".