Base | Representation |
---|---|
bin | 1001001001101010000000… |
… | …11101010101010110010000 |
3 | 2122020201222200201011011201 |
4 | 10210311000131111112100 |
5 | 10114143402310310300 |
6 | 110444214031520544 |
7 | 4144560531051616 |
oct | 444650035252620 |
9 | 78221880634151 |
10 | 20123003213200 |
11 | 6459132787738 |
12 | 230bb81089154 |
13 | b2c78b739024 |
14 | 4d7d5c3a56b6 |
15 | 24d6a381766a |
hex | 124d40755590 |
20123003213200 has 30 divisors (see below), whose sum is σ = 48345515220674. Its totient is φ = 8049201285120.
The previous prime is 20123003213191. The next prime is 20123003213249. The reversal of 20123003213200 is 231230032102.
It can be written as a sum of positive squares in 3 ways, for example, as 5544932333824 + 14578070879376 = 2354768^2 + 3818124^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25153753617 + ... + 25153754416.
Almost surely, 220123003213200 is an apocalyptic number.
20123003213200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20123003213200 is an abundant number, since it is smaller than the sum of its proper divisors (28222512007474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123003213200 is a wasteful number, since it uses less digits than its factorization.
20123003213200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50307508051 (or 50307508040 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20123003213200 its reverse (231230032102), we get a palindrome (20354233245302).
The spelling of 20123003213200 in words is "twenty trillion, one hundred twenty-three billion, three million, two hundred thirteen thousand, two hundred".
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