Search a number
-
+
55000280003 = 1031894728183
BaseRepresentation
bin110011001110010001…
…011010101111000011
312020222001201201021112
4303032101122233003
51400120032430003
641133342513535
73654646444364
oct631621325703
9166861651245
1055000280003
1121364251469
12a7ab5958ab
135256998ba6
14293a865b6b
15166d8543d8
hexcce45abc3

55000280003 has 8 divisors (see below), whose sum is σ = 55539164928. Its totient is φ = 54461489544.

The previous prime is 55000279993. The next prime is 55000280051. The reversal of 55000280003 is 30008200055.

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

It is a cyclic number.

It is not a de Polignac number, because 55000280003 - 212 = 55000275907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000210003) 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 7 ways as a sum of consecutive naturals, for example, 1937450 + ... + 1965632.

It is an arithmetic number, because the mean of its divisors is an integer number (6942395616).

Almost surely, 255000280003 is an apocalyptic number.

55000280003 is a deficient number, since it is larger than the sum of its proper divisors (538884925).

55000280003 is a wasteful number, since it uses less digits than its factorization.

55000280003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47233.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 55000280003 its reverse (30008200055), we get a palindrome (85008480058).

The spelling of 55000280003 in words is "fifty-five billion, two hundred eighty thousand, three".

Divisors: 1 103 18947 28183 1951541 2902849 533983301 55000280003