Base | Representation |
---|---|
bin | 11100000011011110… |
… | …100011011101110110 |
3 | 2212202022221122201022 |
4 | 130003132203131312 |
5 | 443143004043220 |
6 | 21501030501142 |
7 | 2114323141604 |
oct | 340336433566 |
9 | 85668848638 |
10 | 30123112310 |
11 | 11858791145 |
12 | 5a082047b2 |
13 | 2ac0a3b815 |
14 | 165a934874 |
15 | bb4846925 |
hex | 7037a3776 |
30123112310 has 32 divisors (see below), whose sum is σ = 54915985152. Its totient is φ = 11895919200.
The previous prime is 30123112307. The next prime is 30123112321. The reversal of 30123112310 is 1321132103.
It is a super-2 number, since 2×301231123102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184937 + ... + 307323.
It is an arithmetic number, because the mean of its divisors is an integer number (1716124536).
Almost surely, 230123112310 is an apocalyptic number.
30123112310 is a deficient number, since it is larger than the sum of its proper divisors (24792872842).
30123112310 is a wasteful number, since it uses less digits than its factorization.
30123112310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122708.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30123112310 its reverse (1321132103), we get a palindrome (31444244413).
The spelling of 30123112310 in words is "thirty billion, one hundred twenty-three million, one hundred twelve thousand, three hundred ten".
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