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260121251171 is a prime number
BaseRepresentation
bin1111001001000001101…
…1110100110101100011
3220212102022000200120202
43302100123310311203
513230212020014141
6315255325055415
724536022103445
oct3622033646543
9825368020522
10260121251171
11a0353735041
12424b60b756b
131b6b5c20902
14c838ad8495
156b7667849b
hex3c906f4d63

260121251171 has 2 divisors, whose sum is σ = 260121251172. Its totient is φ = 260121251170.

The previous prime is 260121251123. The next prime is 260121251177. The reversal of 260121251171 is 171152121062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260121251171 - 234 = 242941381987 is a prime.

It is not a weakly prime, because it can be changed into another prime (260121251177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130060625585 + 130060625586.

It is an arithmetic number, because the mean of its divisors is an integer number (130060625586).

Almost surely, 2260121251171 is an apocalyptic number.

260121251171 is a deficient number, since it is larger than the sum of its proper divisors (1).

260121251171 is an equidigital number, since it uses as much as digits as its factorization.

260121251171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

The spelling of 260121251171 in words is "two hundred sixty billion, one hundred twenty-one million, two hundred fifty-one thousand, one hundred seventy-one".