Base | Representation |
---|---|
bin | 10010110100000010… |
… | …100111011110010000 |
3 | 1221010210201101111011 |
4 | 102310002213132100 |
5 | 312332304012112 |
6 | 13140245500304 |
7 | 1313405011663 |
oct | 226402473620 |
9 | 57123641434 |
10 | 20200454032 |
11 | 86266a2110 |
12 | 3ab9111694 |
13 | 1b9c0907a5 |
14 | d98b856da |
15 | 7d3664aa7 |
hex | 4b40a7790 |
20200454032 has 40 divisors (see below), whose sum is σ = 42733559520. Its totient is φ = 9174036480.
The previous prime is 20200453969. The next prime is 20200454059. The reversal of 20200454032 is 23045400202.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 20200453994 and 20200454012.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155344 + ... + 254032.
It is an arithmetic number, because the mean of its divisors is an integer number (1068338988).
Almost surely, 220200454032 is an apocalyptic number.
20200454032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20200454032 is an abundant number, since it is smaller than the sum of its proper divisors (22533105488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200454032 is a wasteful number, since it uses less digits than its factorization.
20200454032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99871 (or 99865 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 22.
Adding to 20200454032 its reverse (23045400202), we get a palindrome (43245854234).
It can be divided in two parts, 202004 and 54032, that added together give a square (256036 = 5062).
The spelling of 20200454032 in words is "twenty billion, two hundred million, four hundred fifty-four thousand, thirty-two".
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