Base | Representation |
---|---|
bin | 10010101000010101… |
… | …001101000111001000 |
3 | 1220122010001111111022 |
4 | 102220111031013020 |
5 | 311432011001300 |
6 | 13104551052012 |
7 | 1305501124202 |
oct | 225025150710 |
9 | 56563044438 |
10 | 20004000200 |
11 | 8535811478 |
12 | 3a63371008 |
13 | 1b6a478612 |
14 | d7aa47772 |
15 | 7c12ab285 |
hex | 4a854d1c8 |
20004000200 has 108 divisors (see below), whose sum is σ = 47501852265. Its totient is φ = 7834383360.
The previous prime is 20004000167. The next prime is 20004000217. The reversal of 20004000200 is 200040002.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 14 ways, for example, as 3818116 + 20000182084 = 1954^2 + 141422^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=100010.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 146014532 + ... + 146014668.
Almost surely, 220004000200 is an apocalyptic number.
20004000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20004000200
20004000200 is an abundant number, since it is smaller than the sum of its proper divisors (27497852065).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20004000200 is an equidigital number, since it uses as much as digits as its factorization.
20004000200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436 (or 217 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 8.
Adding to 20004000200 its reverse (200040002), we get a palindrome (20204040202).
20004000200 divided by its reverse (200040002) gives a square (100 = 102).
The spelling of 20004000200 in words is "twenty billion, four million, two hundred", and thus it is an aban number.
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