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5458347809 = 7643714163
BaseRepresentation
bin1010001010101011…
…11100011100100001
3112002101211210112222
411011111330130201
542134314112214
62301343200425
7252156122315
oct50525743441
915071753488
105458347809
112351105552
121083ba6115
1368cabc105
1439acd3b45
1521e2e338e
hex14557c721

5458347809 has 4 divisors (see below), whose sum is σ = 5459069616. Its totient is φ = 5457626004.

The previous prime is 5458347799. The next prime is 5458347821. The reversal of 5458347809 is 9087438545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9087438545 = 51817487709.

It is a cyclic number.

It is not a de Polignac number, because 5458347809 - 232 = 1163380513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5458347109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349439 + ... + 364724.

It is an arithmetic number, because the mean of its divisors is an integer number (1364767404).

Almost surely, 25458347809 is an apocalyptic number.

It is an amenable number.

5458347809 is a deficient number, since it is larger than the sum of its proper divisors (721807).

5458347809 is an equidigital number, since it uses as much as digits as its factorization.

5458347809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721806.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The square root of 5458347809 is about 73880.6321643230. The cubic root of 5458347809 is about 1760.7069096632.

The spelling of 5458347809 in words is "five billion, four hundred fifty-eight million, three hundred forty-seven thousand, eight hundred nine".

Divisors: 1 7643 714163 5458347809