Base | Representation |
---|---|
bin | 10010111010001010… |
… | …001011110011000000 |
3 | 1221101221212101211011 |
4 | 102322022023303000 |
5 | 313040043213440 |
6 | 13154353530304 |
7 | 1316062340431 |
oct | 227212136300 |
9 | 57357771734 |
10 | 20303101120 |
11 | 8679631415 |
12 | 3b27573994 |
13 | 1bb7420103 |
14 | da8665488 |
15 | 7dc68d9ea |
hex | 4ba28bcc0 |
20303101120 has 112 divisors (see below), whose sum is σ = 49693616640. Its totient is φ = 7898102784.
The previous prime is 20303101097. The next prime is 20303101151. The reversal of 20303101120 is 2110130302.
It is a self number, because there is not a number n which added to its sum of digits gives 20303101120.
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, 1687767 + ... + 1699753.
Almost surely, 220303101120 is an apocalyptic number.
20303101120 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 20303101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24846808320).
20303101120 is an abundant number, since it is smaller than the sum of its proper divisors (29390515520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20303101120 is a wasteful number, since it uses less digits than its factorization.
20303101120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12150 (or 12140 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20303101120 its reverse (2110130302), we get a palindrome (22413231422).
The spelling of 20303101120 in words is "twenty billion, three hundred three million, one hundred one thousand, one hundred twenty".
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