Base | Representation |
---|---|
bin | 10010110100100111… |
… | …001001101011000100 |
3 | 1221011110201222000210 |
4 | 102310213021223010 |
5 | 312342232000200 |
6 | 13141231035420 |
7 | 1313552301024 |
oct | 226447115304 |
9 | 57143658023 |
10 | 20210031300 |
11 | 8631043708 |
12 | 3b0036bb70 |
13 | 1ba1064b04 |
14 | d9a159a84 |
15 | 7d4407650 |
hex | 4b49c9ac4 |
20210031300 has 36 divisors (see below), whose sum is σ = 58474358096. Its totient is φ = 5389341600.
The previous prime is 20210031293. The next prime is 20210031301. The reversal of 20210031300 is 313001202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (20210031301) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33683086 + ... + 33683685.
Almost surely, 220210031300 is an apocalyptic number.
20210031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20210031300 is an abundant number, since it is smaller than the sum of its proper divisors (38264326796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210031300 is a wasteful number, since it uses less digits than its factorization.
20210031300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67366788 (or 67366781 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20210031300 its reverse (313001202), we get a palindrome (20523032502).
The spelling of 20210031300 in words is "twenty billion, two hundred ten million, thirty-one thousand, three hundred".
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