Base | Representation |
---|---|
bin | 11011111101111111… |
… | …100011110100110000 |
3 | 2212111220211000020121 |
4 | 123331333203310300 |
5 | 443000430214412 |
6 | 21443542420024 |
7 | 2112125101666 |
oct | 337577436460 |
9 | 85456730217 |
10 | 30031101232 |
11 | 11810856930 |
12 | 59a1431614 |
13 | 2aa79643b2 |
14 | 164c622c36 |
15 | bab71e107 |
hex | 6fdfe3d30 |
30031101232 has 40 divisors (see below), whose sum is σ = 63931533120. Its totient is φ = 13552284480.
The previous prime is 30031101209. The next prime is 30031101253. The reversal of 30031101232 is 23210113003.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589318 + ... + 638245.
It is an arithmetic number, because the mean of its divisors is an integer number (1598288328).
Almost surely, 230031101232 is an apocalyptic number.
It is an amenable number.
30031101232 is an abundant number, since it is smaller than the sum of its proper divisors (33900431888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30031101232 is a wasteful number, since it uses less digits than its factorization.
30031101232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1227721 (or 1227715 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30031101232 its reverse (23210113003), we get a palindrome (53241214235).
The spelling of 30031101232 in words is "thirty billion, thirty-one million, one hundred one thousand, two hundred thirty-two".
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