Search a number
-
+
4078298993 = 4786772319
BaseRepresentation
bin1111001100010101…
…1110011101110001
3101112020001001110212
43303011132131301
531323021031433
61512404033505
7203030653346
oct36305363561
911466031425
104078298993
11180310343a
12959992895
134ccc07792
142a98d67cd
1518d08ed48
hexf315e771

4078298993 has 4 divisors (see below), whose sum is σ = 4165071360. Its totient is φ = 3991526628.

The previous prime is 4078298927. The next prime is 4078299097. The reversal of 4078298993 is 3998928704.

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.

It is a cyclic number.

It is not a de Polignac number, because 4078298993 - 28 = 4078298737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4078298293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43386113 + ... + 43386206.

It is an arithmetic number, because the mean of its divisors is an integer number (1041267840).

Almost surely, 24078298993 is an apocalyptic number.

It is an amenable number.

4078298993 is a deficient number, since it is larger than the sum of its proper divisors (86772367).

4078298993 is an equidigital number, since it uses as much as digits as its factorization.

4078298993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86772366.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The square root of 4078298993 is about 63861.5611537958. The cubic root of 4078298993 is about 1597.6918532680.

The spelling of 4078298993 in words is "four billion, seventy-eight million, two hundred ninety-eight thousand, nine hundred ninety-three".

Divisors: 1 47 86772319 4078298993