Base | Representation |
---|---|
bin | 10010101000000101… |
… | …111101101110111111 |
3 | 1220121211112112011222 |
4 | 102220011331232333 |
5 | 311430000130210 |
6 | 13104325303555 |
7 | 1305422144432 |
oct | 225005755677 |
9 | 56554475158 |
10 | 20000005055 |
11 | 85335328a8 |
12 | 3a61b64bbb |
13 | 1b696aa024 |
14 | d7a2c7819 |
15 | 7c0c6c655 |
hex | 4a817dbbf |
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".
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