Base | Representation |
---|---|
bin | 11011111101100000… |
… | …110001110011100000 |
3 | 2212111100122001101100 |
4 | 123331200301303200 |
5 | 442441344011112 |
6 | 21443053434400 |
7 | 2111666363430 |
oct | 337540616340 |
9 | 85440561340 |
10 | 30023032032 |
11 | 11807245374 |
12 | 599a79ba00 |
13 | 2aa609a616 |
14 | 164b5222c0 |
15 | baab782dc |
hex | 6fd831ce0 |
30023032032 has 72 divisors (see below), whose sum is σ = 97574860656. Its totient is φ = 8578008576.
The previous prime is 30023032007. The next prime is 30023032051. The reversal of 30023032032 is 23023032003.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30023031996 and 30023032014.
It is a congruent number.
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, 7444173 + ... + 7448204.
It is an arithmetic number, because the mean of its divisors is an integer number (1355206398).
Almost surely, 230023032032 is an apocalyptic number.
30023032032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30023032032 is an abundant number, since it is smaller than the sum of its proper divisors (67551828624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30023032032 is a wasteful number, since it uses less digits than its factorization.
30023032032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14892400 (or 14892389 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
Adding to 30023032032 its reverse (23023032003), we get a palindrome (53046064035).
The spelling of 30023032032 in words is "thirty billion, twenty-three million, thirty-two thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 5.099 sec. • engine limits •