Base | Representation |
---|---|
bin | 10010111101101110101… |
… | …000100010100111111110 |
3 | 11121120212102110000211210 |
4 | 102331232220202213332 |
5 | 132323004142241110 |
6 | 2434410211425250 |
7 | 163104166345536 |
oct | 22755650424776 |
9 | 4546772400753 |
10 | 1303231212030 |
11 | 462774053660 |
12 | 1906a95b5226 |
13 | 95b81673817 |
14 | 4711077a4c6 |
15 | 23d7793b520 |
hex | 12f6ea229fe |
1303231212030 has 192 divisors, whose sum is σ = 3663319177728. Its totient is φ = 294029556480.
The previous prime is 1303231212029. The next prime is 1303231212139. The reversal of 1303231212030 is 302121323031.
It is a junction number, because it is equal to n+sod(n) for n = 1303231211988 and 1303231212006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6358207 + ... + 6559973.
It is an arithmetic number, because the mean of its divisors is an integer number (19079787384).
Almost surely, 21303231212030 is an apocalyptic number.
1303231212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1303231212030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1831659588864).
1303231212030 is an abundant number, since it is smaller than the sum of its proper divisors (2360087965698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1303231212030 is a wasteful number, since it uses less digits than its factorization.
1303231212030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201871 (or 201848 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1303231212030 its reverse (302121323031), we get a palindrome (1605352535061).
The spelling of 1303231212030 in words is "one trillion, three hundred three billion, two hundred thirty-one million, two hundred twelve thousand, thirty".
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