Base | Representation |
---|---|
bin | 1001001001101010001111… |
… | …00010011110110001001100 |
3 | 2122020202021222020022011200 |
4 | 10210311013202132301030 |
5 | 10114144123213044040 |
6 | 110444233513545500 |
7 | 4144563502542621 |
oct | 444650742366114 |
9 | 78222258208150 |
10 | 20123122003020 |
11 | 6459193842243 |
12 | 230bbb4a15290 |
13 | b2c7aa22b16a |
14 | 4d7d70088348 |
15 | 24d6ade7e630 |
hex | 124d4789ec4c |
20123122003020 has 72 divisors (see below), whose sum is σ = 61213055170176. Its totient is φ = 5350964247552.
The previous prime is 20123122003007. The next prime is 20123122003079. The reversal of 20123122003020 is 2030022132102.
20123122003020 is a `hidden beast` number, since 20 + 12 + 312 + 20 + 0 + 302 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20123122002984 and 20123122003002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158286492 + ... + 158413571.
It is an arithmetic number, because the mean of its divisors is an integer number (850181321808).
Almost surely, 220123122003020 is an apocalyptic number.
20123122003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20123122003020 is an abundant number, since it is smaller than the sum of its proper divisors (41089933167156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123122003020 is a wasteful number, since it uses less digits than its factorization.
20123122003020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316700431 (or 316700426 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20123122003020 its reverse (2030022132102), we get a palindrome (22153144135122).
The spelling of 20123122003020 in words is "twenty trillion, one hundred twenty-three billion, one hundred twenty-two million, three thousand, twenty".
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