Search a number
-
+
20000005055 = 519222194789
BaseRepresentation
bin10010101000000101…
…111101101110111111
31220121211112112011222
4102220011331232333
5311430000130210
613104325303555
71305422144432
oct225005755677
956554475158
1020000005055
1185335328a8
123a61b64bbb
131b696aa024
14d7a2c7819
157c0c6c655
hex4a817dbbf

20000005055 has 16 divisors (see below), whose sum is σ = 25274805600. Its totient is φ = 15150913920.

The previous prime is 20000005033. The next prime is 20000005127. The reversal of 20000005055 is 55050000002.

It is a happy number.

It is not a de Polignac number, because 20000005055 - 218 = 19999742911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163601 + ... + 258389.

It is an arithmetic number, because the mean of its divisors is an integer number (1579675350).

Almost surely, 220000005055 is an apocalyptic number.

20000005055 is a deficient number, since it is larger than the sum of its proper divisors (5274800545).

20000005055 is a wasteful number, since it uses less digits than its factorization.

20000005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97034.

The product of its (nonzero) digits is 250, while the sum is 17.

Adding to 20000005055 its reverse (55050000002), we get a palindrome (75050005057).

The spelling of 20000005055 in words is "twenty billion, five thousand, fifty-five".

Divisors: 1 5 19 95 2221 11105 42199 94789 210995 473945 1800991 9004955 210526369 1052631845 4000001011 20000005055