Base | Representation |
---|---|
bin | 11100001110100111… |
… | …110111100001010000 |
3 | 2220020100210202212212 |
4 | 130032213313201100 |
5 | 444033341244440 |
6 | 21531350411252 |
7 | 2122053424403 |
oct | 341647674120 |
9 | 86210722785 |
10 | 30310103120 |
11 | 11944299100 |
12 | 5a5a960b28 |
13 | 2b206bc67b |
14 | 16776cbd3a |
15 | bc5e81465 |
hex | 70e9f7850 |
30310103120 has 60 divisors (see below), whose sum is σ = 77459872980. Its totient is φ = 11021852160.
The previous prime is 30310103107. The next prime is 30310103177. The reversal of 30310103120 is 2130101303.
It can be written as a sum of positive squares in 2 ways, for example, as 6349539856 + 23960563264 = 79684^2 + 154792^2 .
It is a super-2 number, since 2×303101031202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30310103095 and 30310103104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1555925 + ... + 1575284.
It is an arithmetic number, because the mean of its divisors is an integer number (1290997883).
Almost surely, 230310103120 is an apocalyptic number.
It is an amenable number.
30310103120 is an abundant number, since it is smaller than the sum of its proper divisors (47149769860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30310103120 is a wasteful number, since it uses less digits than its factorization.
30310103120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3131244 (or 3131227 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 30310103120 its reverse (2130101303), we get a palindrome (32440204423).
The spelling of 30310103120 in words is "thirty billion, three hundred ten million, one hundred three thousand, one hundred twenty".
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