Base | Representation |
---|---|
bin | 11100000011011110… |
… | …001100111101001110 |
3 | 2212202022202222020111 |
4 | 130003132030331032 |
5 | 443142443120420 |
6 | 21501024510234 |
7 | 2114322306031 |
oct | 340336147516 |
9 | 85668688214 |
10 | 30123020110 |
11 | 11858728947 |
12 | 5a0817b37a |
13 | 2ac0a08871 |
14 | 165a90d018 |
15 | bb482945a |
hex | 70378cf4e |
30123020110 has 32 divisors (see below), whose sum is σ = 55267857792. Its totient is φ = 11816862720.
The previous prime is 30123020107. The next prime is 30123020111. The reversal of 30123020110 is 1102032103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30123020111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397515 + ... + 1418905.
It is an arithmetic number, because the mean of its divisors is an integer number (1727120556).
Almost surely, 230123020110 is an apocalyptic number.
30123020110 is a deficient number, since it is larger than the sum of its proper divisors (25144837682).
30123020110 is a wasteful number, since it uses less digits than its factorization.
30123020110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24108.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30123020110 its reverse (1102032103), we get a palindrome (31225052213).
The spelling of 30123020110 in words is "thirty billion, one hundred twenty-three million, twenty thousand, one hundred ten".
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