Base | Representation |
---|---|
bin | 11100000100100000… |
… | …001010001000011000 |
3 | 2212210112022101120021 |
4 | 130010200022020120 |
5 | 443211404410130 |
6 | 21502443240224 |
7 | 2114622260011 |
oct | 340440121030 |
9 | 85715271507 |
10 | 30140310040 |
11 | 11867468045 |
12 | 5a11b19074 |
13 | 2ac44805a9 |
14 | 165cd30008 |
15 | bb60e237a |
hex | 70480a218 |
30140310040 has 32 divisors (see below), whose sum is σ = 68270850000. Its totient is φ = 11975208064.
The previous prime is 30140309993. The next prime is 30140310059. The reversal of 30140310040 is 4001304103.
It is a junction number, because it is equal to n+sod(n) for n = 30140309996 and 30140310023.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522590 + ... + 2534509.
Almost surely, 230140310040 is an apocalyptic number.
It is an amenable number.
30140310040 is an abundant number, since it is smaller than the sum of its proper divisors (38130539960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30140310040 is a wasteful number, since it uses less digits than its factorization.
30140310040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5057259 (or 5057255 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30140310040 its reverse (4001304103), we get a palindrome (34141614143).
The spelling of 30140310040 in words is "thirty billion, one hundred forty million, three hundred ten thousand, forty".
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