Base | Representation |
---|---|
bin | 1001100011001111110101… |
… | …01100101100010111110110 |
3 | 2202100210121110212110101100 |
4 | 10301213322230230113312 |
5 | 10223100203042131410 |
6 | 112400153545510530 |
7 | 4265236413040260 |
oct | 461477254542766 |
9 | 82323543773340 |
10 | 21002301130230 |
11 | 6768031506152 |
12 | 24324781a2446 |
13 | b9467c22bca4 |
14 | 528734148b30 |
15 | 2664b86438c0 |
hex | 1319fab2c5f6 |
21002301130230 has 96 divisors (see below), whose sum is σ = 62730189497664. Its totient is φ = 4775652753408.
The previous prime is 21002301130207. The next prime is 21002301130271. The reversal of 21002301130230 is 3203110320012.
21002301130230 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 2 + 301 + 130 + 230 = 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 47 ways as a sum of consecutive naturals, for example, 86243659 + ... + 86486838.
It is an arithmetic number, because the mean of its divisors is an integer number (653439473934).
Almost surely, 221002301130230 is an apocalyptic number.
21002301130230 is an abundant number, since it is smaller than the sum of its proper divisors (41727888367434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21002301130230 is a wasteful number, since it uses less digits than its factorization.
21002301130230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172730710 (or 172730707 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 21002301130230 its reverse (3203110320012), we get a palindrome (24205411450242).
The spelling of 21002301130230 in words is "twenty-one trillion, two billion, three hundred one million, one hundred thirty thousand, two hundred thirty".
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