Base | Representation |
---|---|
bin | 10010111010000110… |
… | …100001001001100000 |
3 | 1221101220001120102010 |
4 | 102322012201021200 |
5 | 313034321440000 |
6 | 13154321152520 |
7 | 1316051225352 |
oct | 227206411140 |
9 | 57356046363 |
10 | 20302140000 |
11 | 86790352aa |
12 | 3b2718b740 |
13 | 1bb71747bc |
14 | da84950d2 |
15 | 7dc54dd50 |
hex | 4ba1a1260 |
20302140000 has 120 divisors (see below), whose sum is σ = 66595276440. Its totient is φ = 5413888000.
The previous prime is 20302139989. The next prime is 20302140007. The reversal of 20302140000 is 4120302.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302140007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109185 + ... + 229184.
It is an arithmetic number, because the mean of its divisors is an integer number (554960637).
Almost surely, 220302140000 is an apocalyptic number.
20302140000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20302140000 is an abundant number, since it is smaller than the sum of its proper divisors (46293136440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302140000 is an equidigital number, since it uses as much as digits as its factorization.
20302140000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338402 (or 338379 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 20302140000 its reverse (4120302), we get a palindrome (20306260302).
The spelling of 20302140000 in words is "twenty billion, three hundred two million, one hundred forty thousand".
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