Base | Representation |
---|---|
bin | 10010101110111001… |
… | …110000000110110100 |
3 | 1220220210111110120202 |
4 | 102232321300012310 |
5 | 312143221302040 |
6 | 13123530020032 |
7 | 1311310152563 |
oct | 225671600664 |
9 | 56823443522 |
10 | 20114244020 |
11 | 8591a6a272 |
12 | 3a94277618 |
13 | 1b87267950 |
14 | d8b543bda |
15 | 7cacd6015 |
hex | 4aee701b4 |
20114244020 has 48 divisors (see below), whose sum is σ = 45740564688. Its totient is φ = 7385748480.
The previous prime is 20114244019. The next prime is 20114244049. The reversal of 20114244020 is 2044241102.
It can be written as a sum of positive squares in 8 ways, for example, as 5589655696 + 14524588324 = 74764^2 + 120518^2 .
It is a super-2 number, since 2×201142440202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 20114243983 and 20114244001.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166649 + ... + 260768.
It is an arithmetic number, because the mean of its divisors is an integer number (952928431).
Almost surely, 220114244020 is an apocalyptic number.
20114244020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20114244020 is an abundant number, since it is smaller than the sum of its proper divisors (25626320668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20114244020 is a wasteful number, since it uses less digits than its factorization.
20114244020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427620 (or 427618 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 20114244020 its reverse (2044241102), we get a palindrome (22158485122).
The spelling of 20114244020 in words is "twenty billion, one hundred fourteen million, two hundred forty-four thousand, twenty".
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