Base | Representation |
---|---|
bin | 10010111010000110… |
… | …101111110100110000 |
3 | 1221101220011121212111 |
4 | 102322012233310300 |
5 | 313034330400422 |
6 | 13154322335104 |
7 | 1316051565535 |
oct | 227206576460 |
9 | 57356147774 |
10 | 20302200112 |
11 | 8679076487 |
12 | 3b271ba494 |
13 | 1bb7195c7c |
14 | da84acd8c |
15 | 7dc561a77 |
hex | 4ba1afd30 |
20302200112 has 80 divisors (see below), whose sum is σ = 42016060800. Its totient is φ = 9475868160.
The previous prime is 20302200103. The next prime is 20302200161. The reversal of 20302200112 is 21100220302.
It is a junction number, because it is equal to n+sod(n) for n = 20302200092 and 20302200101.
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, 8954403 + ... + 8956669.
It is an arithmetic number, because the mean of its divisors is an integer number (525200760).
Almost surely, 220302200112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20302200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21008030400).
20302200112 is an abundant number, since it is smaller than the sum of its proper divisors (21713860688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302200112 is a wasteful number, since it uses less digits than its factorization.
20302200112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2714 (or 2708 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20302200112 its reverse (21100220302), we get a palindrome (41402420414).
The spelling of 20302200112 in words is "twenty billion, three hundred two million, two hundred thousand, one hundred twelve".
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