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191848470241 is a prime number
BaseRepresentation
bin1011001010101100001…
…1110101011011100001
3200100012020202001211211
42302223003311123201
511120401202021431
6224044534310121
716601120043061
oct2625303653341
9610166661754
10191848470241
11743a950724a
12312217b8341
1315125592a9c
1493dd6513a1
154ecc9e62b1
hex2cab0f56e1

191848470241 has 2 divisors, whose sum is σ = 191848470242. Its totient is φ = 191848470240.

The previous prime is 191848470217. The next prime is 191848470263. The reversal of 191848470241 is 142074848191.

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., 128967892641 + 62880577600 = 359121^2 + 250760^2 .

It is a cyclic number.

It is not a de Polignac number, because 191848470241 - 213 = 191848462049 is a prime.

It is not a weakly prime, because it can be changed into another prime (191848470641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95924235120 + 95924235121.

It is an arithmetic number, because the mean of its divisors is an integer number (95924235121).

Almost surely, 2191848470241 is an apocalyptic number.

It is an amenable number.

191848470241 is a deficient number, since it is larger than the sum of its proper divisors (1).

191848470241 is an equidigital number, since it uses as much as digits as its factorization.

191848470241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 191848470241 in words is "one hundred ninety-one billion, eight hundred forty-eight million, four hundred seventy thousand, two hundred forty-one".