Search a number
-
+
2551143005 = 5801163691
BaseRepresentation
bin1001100000001111…
…0101101001011101
320120210102111021222
42120003311221131
520211043034010
61101051503125
7120135233465
oct23003655135
96523374258
102551143005
11109a065554
125b2457aa5
133186c7b98
141a2b64ba5
15ede7e355
hex980f5a5d

2551143005 has 8 divisors (see below), whose sum is σ = 3061801824. Its totient is φ = 2040627600.

The previous prime is 2551142999. The next prime is 2551143019. The reversal of 2551143005 is 5003411552.

2551143005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-2551143005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8210 + ... + 71900.

It is an arithmetic number, because the mean of its divisors is an integer number (382725228).

Almost surely, 22551143005 is an apocalyptic number.

It is an amenable number.

2551143005 is a deficient number, since it is larger than the sum of its proper divisors (510658819).

2551143005 is an equidigital number, since it uses as much as digits as its factorization.

2551143005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71707.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2551143005 is about 50508.8408597940. The cubic root of 2551143005 is about 1366.4013043845.

Adding to 2551143005 its reverse (5003411552), we get a palindrome (7554554557).

The spelling of 2551143005 in words is "two billion, five hundred fifty-one million, one hundred forty-three thousand, five".

Divisors: 1 5 8011 40055 63691 318455 510228601 2551143005