Base | Representation |
---|---|
bin | 10010101000010001… |
… | …110110001101111111 |
3 | 1220122001101210002021 |
4 | 102220101312031333 |
5 | 311431244314444 |
6 | 13104520141011 |
7 | 1305460500052 |
oct | 225021661577 |
9 | 56561353067 |
10 | 20003119999 |
11 | 8535270135 |
12 | 3a63007767 |
13 | 1b6a22aaa5 |
14 | d7a898a99 |
15 | 7c1185584 |
hex | 4a847637f |
20003119999 has 4 divisors (see below), whose sum is σ = 20009683600. Its totient is φ = 19996556400.
The previous prime is 20003119967. The next prime is 20003120017. The reversal of 20003119999 is 99991130002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99991130002 = 2 ⋅49995565001.
It is a cyclic number.
It is not a de Polignac number, because 20003119999 - 25 = 20003119967 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20003119909) 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 3 ways as a sum of consecutive naturals, for example, 3277227 + ... + 3283324.
It is an arithmetic number, because the mean of its divisors is an integer number (5002420900).
Almost surely, 220003119999 is an apocalyptic number.
20003119999 is a deficient number, since it is larger than the sum of its proper divisors (6563601).
20003119999 is an equidigital number, since it uses as much as digits as its factorization.
20003119999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6563600.
The product of its (nonzero) digits is 39366, while the sum is 43.
The spelling of 20003119999 in words is "twenty billion, three million, one hundred nineteen thousand, nine hundred ninety-nine".
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