Base | Representation |
---|---|
bin | 10010101000101101… |
… | …000000100111111110 |
3 | 1220122112210112120220 |
4 | 102220231000213332 |
5 | 311440110144020 |
6 | 13105332522210 |
7 | 1305605144421 |
oct | 225055004776 |
9 | 56575715526 |
10 | 20010240510 |
11 | 8539293957 |
12 | 3a65480366 |
13 | 1b6b851b00 |
14 | d7b7cd9b8 |
15 | 7c1ae0240 |
hex | 4a8b409fe |
20010240510 has 48 divisors (see below), whose sum is σ = 52002957744. Its totient is φ = 4925596416.
The previous prime is 20010240491. The next prime is 20010240517. The reversal of 20010240510 is 1504201002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20010240510.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20010240517) 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 23 ways as a sum of consecutive naturals, for example, 1968327 + ... + 1978466.
It is an arithmetic number, because the mean of its divisors is an integer number (1083394953).
Almost surely, 220010240510 is an apocalyptic number.
20010240510 is an abundant number, since it is smaller than the sum of its proper divisors (31992717234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010240510 is a wasteful number, since it uses less digits than its factorization.
20010240510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3946829 (or 3946816 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 20010240510 its reverse (1504201002), we get a palindrome (21514441512).
The spelling of 20010240510 in words is "twenty billion, ten million, two hundred forty thousand, five hundred ten".
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