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197211190283 is a prime number
BaseRepresentation
bin1011011110101010110…
…0111111010000001011
3200212000222122110202122
42313222230333100023
511212342031042113
6230333024121455
720151035313302
oct2675254772013
9625028573678
10197211190283
1176700637188
123227976628b
131579b60c503
14978b971439
1551e36ea408
hex2deab3f40b

197211190283 has 2 divisors, whose sum is σ = 197211190284. Its totient is φ = 197211190282.

The previous prime is 197211190261. The next prime is 197211190303. The reversal of 197211190283 is 382091112791.

It is a strong prime.

It is an emirp because it is prime and its reverse (382091112791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197211190283 - 26 = 197211190219 is a prime.

It is not a weakly prime, because it can be changed into another prime (197211100283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98605595141 + 98605595142.

It is an arithmetic number, because the mean of its divisors is an integer number (98605595142).

Almost surely, 2197211190283 is an apocalyptic number.

197211190283 is a deficient number, since it is larger than the sum of its proper divisors (1).

197211190283 is an equidigital number, since it uses as much as digits as its factorization.

197211190283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 197211190283 in words is "one hundred ninety-seven billion, two hundred eleven million, one hundred ninety thousand, two hundred eighty-three".