Base | Representation |
---|---|
bin | 1001000110111101001010… |
… | …00101010000100001111000 |
3 | 2121220212110020002011222100 |
4 | 10203132211011100201320 |
5 | 10111133323220322222 |
6 | 110333425310223400 |
7 | 4135064036555526 |
oct | 443364505204170 |
9 | 77825406064870 |
10 | 20030202120312 |
11 | 6422840a0204a |
12 | 22b5ba21b4b60 |
13 | b23abc4c6247 |
14 | 4d367747b316 |
15 | 24b0715d74ac |
hex | 1237a5150878 |
20030202120312 has 24 divisors (see below), whose sum is σ = 54248464076040. Its totient is φ = 6676734040080.
The previous prime is 20030202120293. The next prime is 20030202120361. The reversal of 20030202120312 is 21302120203002.
20030202120312 is a `hidden beast` number, since 2 + 0 + 0 + 30 + 202 + 120 + 312 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
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 pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139098625764 + ... + 139098625907.
It is an arithmetic number, because the mean of its divisors is an integer number (2260352669835).
Almost surely, 220030202120312 is an apocalyptic number.
It is an amenable number.
20030202120312 is an abundant number, since it is smaller than the sum of its proper divisors (34218261955728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030202120312 is a wasteful number, since it uses less digits than its factorization.
20030202120312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278197251683 (or 278197251676 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20030202120312 its reverse (21302120203002), we get a palindrome (41332322323314).
The spelling of 20030202120312 in words is "twenty trillion, thirty billion, two hundred two million, one hundred twenty thousand, three hundred twelve".
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