Base | Representation |
---|---|
bin | 10010110000100000… |
… | …100110010000100000 |
3 | 1220222200020012102111 |
4 | 102300200212100200 |
5 | 312222122021022 |
6 | 13130331525104 |
7 | 1312055261602 |
oct | 226040462040 |
9 | 56880205374 |
10 | 20141204512 |
11 | 85a6204070 |
12 | 3aa12b9794 |
13 | 1b8ca172c0 |
14 | d90d61172 |
15 | 7cd35e477 |
hex | 4b0826420 |
20141204512 has 192 divisors, whose sum is σ = 51474818304. Its totient is φ = 7607255040.
The previous prime is 20141204491. The next prime is 20141204521. The reversal of 20141204512 is 21540214102.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1783588 + ... + 1794844.
It is an arithmetic number, because the mean of its divisors is an integer number (268098012).
Almost surely, 220141204512 is an apocalyptic number.
20141204512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20141204512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25737409152).
20141204512 is an abundant number, since it is smaller than the sum of its proper divisors (31333613792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20141204512 is a wasteful number, since it uses less digits than its factorization.
20141204512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11331 (or 11323 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 20141204512 its reverse (21540214102), we get a palindrome (41681418614).
The spelling of 20141204512 in words is "twenty billion, one hundred forty-one million, two hundred four thousand, five hundred twelve".
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