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7145870971 is a prime number
BaseRepresentation
bin1101010011110110…
…10101011001111011
3200110000012212010211
412221323111121323
5104113320332341
63141024451551
7342036621031
oct65173253173
920400185124
107145870971
113037726698
121475179bb7
1389b5ba625
144bb08c551
152bc530181
hex1a9ed567b

7145870971 has 2 divisors, whose sum is σ = 7145870972. Its totient is φ = 7145870970.

The previous prime is 7145870887. The next prime is 7145870983. The reversal of 7145870971 is 1790785417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7145870971 - 229 = 6609000059 is a prime.

It is not a weakly prime, because it can be changed into another prime (7145870671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572935485 + 3572935486.

It is an arithmetic number, because the mean of its divisors is an integer number (3572935486).

Almost surely, 27145870971 is an apocalyptic number.

7145870971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145870971 is an equidigital number, since it uses as much as digits as its factorization.

7145870971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 49.

The square root of 7145870971 is about 84533.2536402095. The cubic root of 7145870971 is about 1926.1276101986.

The spelling of 7145870971 in words is "seven billion, one hundred forty-five million, eight hundred seventy thousand, nine hundred seventy-one".