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6801971147 is a prime number
BaseRepresentation
bin1100101010110110…
…11101011111001011
3122120001002221021022
412111123131133023
5102412301034042
63042541503055
7330362541446
oct62533353713
918501087238
106801971147
112980598664
121399b71a8b
1384528bbca
1448752c65d
1529c24dcd2
hex1956dd7cb

6801971147 has 2 divisors, whose sum is σ = 6801971148. Its totient is φ = 6801971146.

The previous prime is 6801971129. The next prime is 6801971153. The reversal of 6801971147 is 7411791086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6801971147 - 216 = 6801905611 is a prime.

It is a super-2 number, since 2×68019711472 = 92533622969240991218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6801971098 and 6801971107.

It is not a weakly prime, because it can be changed into another prime (6801971107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400985573 + 3400985574.

It is an arithmetic number, because the mean of its divisors is an integer number (3400985574).

Almost surely, 26801971147 is an apocalyptic number.

6801971147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6801971147 is an equidigital number, since it uses as much as digits as its factorization.

6801971147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 6801971147 is about 82474.0634805876. The cubic root of 6801971147 is about 1894.7195159948.

The spelling of 6801971147 in words is "six billion, eight hundred one million, nine hundred seventy-one thousand, one hundred forty-seven".