Base | Representation |
---|---|
bin | 1101101001101110110101… |
… | …11101101010111001001110 |
3 | 10221021222222001021221012221 |
4 | 12310313122331222321032 |
5 | 12413331404202000220 |
6 | 143503314321245554 |
7 | 6215650215601525 |
oct | 664673275527116 |
9 | 127258861257187 |
10 | 30021200031310 |
11 | 9624a12848394 |
12 | 344a3871938ba |
13 | 1399caa61c687 |
14 | 75b068bad4bc |
15 | 370dc10899aa |
hex | 1b4ddaf6ae4e |
30021200031310 has 32 divisors (see below), whose sum is σ = 55510530515712. Its totient is φ = 11681425520640.
The previous prime is 30021200031299. The next prime is 30021200031313. The reversal of 30021200031310 is 1313000212003.
It is a super-2 number, since 2×300212000313102 (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 (30021200031313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6952606 + ... + 10410625.
It is an arithmetic number, because the mean of its divisors is an integer number (1734704078616).
Almost surely, 230021200031310 is an apocalyptic number.
30021200031310 is a deficient number, since it is larger than the sum of its proper divisors (25489330484402).
30021200031310 is a wasteful number, since it uses less digits than its factorization.
30021200031310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17367948.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30021200031310 its reverse (1313000212003), we get a palindrome (31334200243313).
The spelling of 30021200031310 in words is "thirty trillion, twenty-one billion, two hundred million, thirty-one thousand, three hundred ten".
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