Search a number
-
+
12030055055 = 55081473531
BaseRepresentation
bin10110011010000110…
…00001001010001111
31011001101200010010122
423031003001022033
5144114143230210
65305421455155
7604054531544
oct131503011217
934041603118
1012030055055
11511371a467
1223b8a114bb
131199458895
14821a02bcb
154a620ab55
hex2cd0c128f

12030055055 has 8 divisors (see below), whose sum is σ = 14438937744. Its totient is φ = 9622129600.

The previous prime is 12030055043. The next prime is 12030055091. The reversal of 12030055055 is 55055003021.

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

It is not a de Polignac number, because 12030055055 - 210 = 12030054031 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, 211361 + ... + 262170.

It is an arithmetic number, because the mean of its divisors is an integer number (1804867218).

Almost surely, 212030055055 is an apocalyptic number.

12030055055 is a deficient number, since it is larger than the sum of its proper divisors (2408882689).

12030055055 is an equidigital number, since it uses as much as digits as its factorization.

12030055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478617.

The product of its (nonzero) digits is 3750, while the sum is 26.

Adding to 12030055055 its reverse (55055003021), we get a palindrome (67085058076).

The spelling of 12030055055 in words is "twelve billion, thirty million, fifty-five thousand, fifty-five".

Divisors: 1 5 5081 25405 473531 2367655 2406011011 12030055055