Base | Representation |
---|---|
bin | 1101101001101110110110… |
… | …00010100011100101100110 |
3 | 10221021222222010201000010200 |
4 | 12310313123002203211212 |
5 | 12413331410013441402 |
6 | 143503314404531330 |
7 | 6215650232514600 |
oct | 664673302434546 |
9 | 127258863630120 |
10 | 30021201312102 |
11 | 9624a135426a0 |
12 | 344a3876b0b46 |
13 | 1399caa97a640 |
14 | 75b069024170 |
15 | 370dc123e21c |
hex | 1b4ddb0a3966 |
30021201312102 has 1152 divisors, whose sum is σ = 93506733186048. Its totient is φ = 6835701196800.
The previous prime is 30021201312059. The next prime is 30021201312173. The reversal of 30021201312102 is 20121310212003.
30021201312102 is a `hidden beast` number, since 30 + 0 + 21 + 201 + 312 + 102 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 46400619943 + ... + 46400620589.
It is an arithmetic number, because the mean of its divisors is an integer number (81169039224).
Almost surely, 230021201312102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30021201312102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46753366593024).
30021201312102 is an abundant number, since it is smaller than the sum of its proper divisors (63485531873946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30021201312102 is a wasteful number, since it uses less digits than its factorization.
30021201312102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 954 (or 944 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30021201312102 its reverse (20121310212003), we get a palindrome (50142511524105).
It can be divided in two parts, 30021201 and 312102, that added together give a palindrome (30333303).
The spelling of 30021201312102 in words is "thirty trillion, twenty-one billion, two hundred one million, three hundred twelve thousand, one hundred two".
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