Base | Representation |
---|---|
bin | 10010101000001001… |
… | …111000101101001000 |
3 | 1220121220110202022012 |
4 | 102220021320231020 |
5 | 311430231024112 |
6 | 13104403315052 |
7 | 1305433655441 |
oct | 225011705510 |
9 | 56556422265 |
10 | 20001033032 |
11 | 8534075172 |
12 | 3a6237ba88 |
13 | 1b69979bb6 |
14 | d7a4b42c8 |
15 | 7c0dc2022 |
hex | 4a8278b48 |
20001033032 has 32 divisors (see below), whose sum is σ = 37713101880. Its totient is φ = 9944363520.
The previous prime is 20001032977. The next prime is 20001033037. The reversal of 20001033032 is 23033010002.
It can be written as a sum of positive squares in 4 ways, for example, as 2932655716 + 17068377316 = 54154^2 + 130646^2 .
It is a super-2 number, since 2×200010330322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20001032998 and 20001033016.
It is not an unprimeable number, because it can be changed into a prime (20001033037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044698 + ... + 1063670.
Almost surely, 220001033032 is an apocalyptic number.
It is an amenable number.
20001033032 is a deficient number, since it is larger than the sum of its proper divisors (17712068848).
20001033032 is a wasteful number, since it uses less digits than its factorization.
20001033032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19713 (or 19709 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 20001033032 its reverse (23033010002), we get a palindrome (43034043034).
The spelling of 20001033032 in words is "twenty billion, one million, thirty-three thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.301 sec. • engine limits •