Base | Representation |
---|---|
bin | 1001001100010001101001… |
… | …01100010101001000110000 |
3 | 2122120100021201210021110221 |
4 | 10212020310230111020300 |
5 | 10122132211013143440 |
6 | 110553420222102424 |
7 | 4154224662200536 |
oct | 446106454251060 |
9 | 78510251707427 |
10 | 20213000131120 |
11 | 6493315693155 |
12 | 23254b8a1aa14 |
13 | b38101a1c494 |
14 | 4dc458b00156 |
15 | 250bbe785d4a |
hex | 126234b15230 |
20213000131120 has 40 divisors (see below), whose sum is σ = 47051238840480. Its totient is φ = 8075563315200.
The previous prime is 20213000131091. The next prime is 20213000131123. The reversal of 20213000131120 is 2113100031202.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 20213000131094 and 20213000131103.
It is not an unprimeable number, because it can be changed into a prime (20213000131123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150506481 + ... + 150640720.
It is an arithmetic number, because the mean of its divisors is an integer number (1176280971012).
Almost surely, 220213000131120 is an apocalyptic number.
20213000131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20213000131120 is an abundant number, since it is smaller than the sum of its proper divisors (26838238709360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20213000131120 is a wasteful number, since it uses less digits than its factorization.
20213000131120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301148053 (or 301148047 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 20213000131120 its reverse (2113100031202), we get a palindrome (22326100162322).
The spelling of 20213000131120 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-one thousand, one hundred twenty".
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