Base | Representation |
---|---|
bin | 1101101001101111000100… |
… | …01100011001001001101110 |
3 | 10221022000021111112121112112 |
4 | 12310313202030121021232 |
5 | 12413332131230100220 |
6 | 143503334333204022 |
7 | 6215653220616041 |
oct | 664674214311156 |
9 | 127260244477475 |
10 | 30021321331310 |
11 | 9624a75267921 |
12 | 344a3bb930612 |
13 | 1399cc97b021a |
14 | 75b07ad46c58 |
15 | 370dcba4a5c5 |
hex | 1b4de231926e |
30021321331310 has 32 divisors (see below), whose sum is σ = 54954956541600. Its totient is φ = 11805064594560.
The previous prime is 30021321331283. The next prime is 30021321331319. The reversal of 30021321331310 is 1313312312003.
It is a super-2 number, since 2×300213213313102 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30021321331319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663680 + ... + 14846259.
It is an arithmetic number, because the mean of its divisors is an integer number (1717342391925).
Almost surely, 230021321331310 is an apocalyptic number.
30021321331310 is a deficient number, since it is larger than the sum of its proper divisors (24933635210290).
30021321331310 is a wasteful number, since it uses less digits than its factorization.
30021321331310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27511796.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 30021321331310 its reverse (1313312312003), we get a palindrome (31334633643313).
The spelling of 30021321331310 in words is "thirty trillion, twenty-one billion, three hundred twenty-one million, three hundred thirty-one thousand, three hundred ten".
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