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2685430793 is a prime number
BaseRepresentation
bin1010000000010000…
…0110110000001001
320221011010000111202
42200010012300021
520444432241133
61122250033545
7123355533203
oct24004066011
96834100452
102685430793
1111589459a1
1262b4188b5
1333a485206
141b691d773
1510ab582e8
hexa0106c09

2685430793 has 2 divisors, whose sum is σ = 2685430794. Its totient is φ = 2685430792.

The previous prime is 2685430771. The next prime is 2685430801. The reversal of 2685430793 is 3970345862.

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., 1768370704 + 917060089 = 42052^2 + 30283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685430793 - 214 = 2685414409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2685430753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342715396 + 1342715397.

It is an arithmetic number, because the mean of its divisors is an integer number (1342715397).

Almost surely, 22685430793 is an apocalyptic number.

It is an amenable number.

2685430793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685430793 is an equidigital number, since it uses as much as digits as its factorization.

2685430793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2685430793 is about 51821.1423359231. The cubic root of 2685430793 is about 1389.9675290450.

The spelling of 2685430793 in words is "two billion, six hundred eighty-five million, four hundred thirty thousand, seven hundred ninety-three".