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7897383943 is a prime number
BaseRepresentation
bin1110101101011100…
…01000010000000111
3202101101022200010121
413112232020100013
5112133212241233
63343352202411
7366463440661
oct72656102007
922341280117
107897383943
11339295a499
121644999407
1398b1c4967
1454cbd5531
153134ca92d
hex1d6b88407

7897383943 has 2 divisors, whose sum is σ = 7897383944. Its totient is φ = 7897383942.

The previous prime is 7897383929. The next prime is 7897383947. The reversal of 7897383943 is 3493837987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7897383943 - 217 = 7897252871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7897383947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948691971 + 3948691972.

It is an arithmetic number, because the mean of its divisors is an integer number (3948691972).

Almost surely, 27897383943 is an apocalyptic number.

7897383943 is a deficient number, since it is larger than the sum of its proper divisors (1).

7897383943 is an equidigital number, since it uses as much as digits as its factorization.

7897383943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 61.

The square root of 7897383943 is about 88867.2264842332. The cubic root of 7897383943 is about 1991.4118364260.

The spelling of 7897383943 in words is "seven billion, eight hundred ninety-seven million, three hundred eighty-three thousand, nine hundred forty-three".