Base | Representation |
---|---|
bin | 10010111010000101… |
… | …111111110010000100 |
3 | 1221101212210121221100 |
4 | 102322011333302010 |
5 | 313034303101312 |
6 | 13154314220100 |
7 | 1316050116042 |
oct | 227205776204 |
9 | 57355717840 |
10 | 20302003332 |
11 | 8678a51656 |
12 | 3b27124630 |
13 | 1bb7127530 |
14 | da845b392 |
15 | 7dc5235dc |
hex | 4ba17fc84 |
20302003332 has 36 divisors (see below), whose sum is σ = 55266565900. Its totient is φ = 6246770112.
The previous prime is 20302003297. The next prime is 20302003357. The reversal of 20302003332 is 23330020302.
It can be written as a sum of positive squares in 2 ways, for example, as 6914587716 + 13387415616 = 83154^2 + 115704^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21689707 + ... + 21690642.
Almost surely, 220302003332 is an apocalyptic number.
It is an amenable number.
20302003332 is an abundant number, since it is smaller than the sum of its proper divisors (34964562568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302003332 is a wasteful number, since it uses less digits than its factorization.
20302003332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43380372 (or 43380367 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
Adding to 20302003332 its reverse (23330020302), we get a palindrome (43632023634).
The spelling of 20302003332 in words is "twenty billion, three hundred two million, three thousand, three hundred thirty-two".
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