Base | Representation |
---|---|
bin | 11100101011001100… |
… | …111001111100100000 |
3 | 2221110210000102212121 |
4 | 130223030321330200 |
5 | 1001024112340212 |
6 | 22051115234024 |
7 | 2136665031061 |
oct | 345314717440 |
9 | 87423012777 |
10 | 30789574432 |
11 | 1206aa03a91 |
12 | 5b73448914 |
13 | 2b98b377c6 |
14 | 16c125c568 |
15 | c030e1d07 |
hex | 72b339f20 |
30789574432 has 48 divisors (see below), whose sum is σ = 61022408832. Its totient is φ = 15292076800.
The previous prime is 30789574393. The next prime is 30789574433. The reversal of 30789574432 is 23447598703.
It is a self number, because there is not a number n which added to its sum of digits gives 30789574432.
It is not an unprimeable number, because it can be changed into a prime (30789574433) 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, 4302057 + ... + 4309207.
It is an arithmetic number, because the mean of its divisors is an integer number (1271300184).
Almost surely, 230789574432 is an apocalyptic number.
30789574432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30789574432 is a deficient number, since it is larger than the sum of its proper divisors (30232834400).
30789574432 is a wasteful number, since it uses less digits than its factorization.
30789574432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8041 (or 8033 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 52.
The spelling of 30789574432 in words is "thirty billion, seven hundred eighty-nine million, five hundred seventy-four thousand, four hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •