Search a number
-
+
5008157819 = 7911785347
BaseRepresentation
bin1001010101000001…
…00110110001111011
3110221000201202222122
410222200212301323
540224042022234
62144542111455
7235051432130
oct45240466173
913830652878
105008157819
11213aa7a105
12b7927b58b
1361a756ac2
143571c6587
151e4a1892e
hex12a826c7b

5008157819 has 8 divisors (see below), whose sum is σ = 5729899008. Its totient is φ = 4287989160.

The previous prime is 5008157809. The next prime is 5008157851. The reversal of 5008157819 is 9187518005.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5008157819 - 216 = 5008092283 is a prime.

It is a super-2 number, since 2×50081578192 = 50163289480021673522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5008157819.

It is not an unprimeable number, because it can be changed into a prime (5008157809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386297 + ... + 399050.

It is an arithmetic number, because the mean of its divisors is an integer number (716237376).

Almost surely, 25008157819 is an apocalyptic number.

5008157819 is a deficient number, since it is larger than the sum of its proper divisors (721741189).

5008157819 is an equidigital number, since it uses as much as digits as its factorization.

5008157819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786265.

The product of its (nonzero) digits is 100800, while the sum is 44.

The square root of 5008157819 is about 70768.3391001937. The cubic root of 5008157819 is about 1710.9054196462.

The spelling of 5008157819 in words is "five billion, eight million, one hundred fifty-seven thousand, eight hundred nineteen".

Divisors: 1 7 911 6377 785347 5497429 715451117 5008157819