Base | Representation |
---|---|
bin | 10010101011000101… |
… | …000110100001010001 |
3 | 1220202022211010222212 |
4 | 102223011012201101 |
5 | 312030312014140 |
6 | 13113315241505 |
7 | 1306601061533 |
oct | 225305064121 |
9 | 56668733885 |
10 | 20050110545 |
11 | 85598458a3 |
12 | 3a768a9295 |
13 | 1b76ba144a |
14 | d82c0b853 |
15 | 7c5368765 |
hex | 4ab146851 |
20050110545 has 8 divisors (see below), whose sum is σ = 24073341696. Its totient is φ = 16031282416.
The previous prime is 20050110517. The next prime is 20050110547. The reversal of 20050110545 is 54501105002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20050110545 - 26 = 20050110481 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20050110545.
It is not an unprimeable number, because it can be changed into a prime (20050110547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090727 + ... + 1108956.
It is an arithmetic number, because the mean of its divisors is an integer number (3009167712).
Almost surely, 220050110545 is an apocalyptic number.
It is an amenable number.
20050110545 is a deficient number, since it is larger than the sum of its proper divisors (4023231151).
20050110545 is a wasteful number, since it uses less digits than its factorization.
20050110545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2201511.
The product of its (nonzero) digits is 1000, while the sum is 23.
Adding to 20050110545 its reverse (54501105002), we get a palindrome (74551215547).
The spelling of 20050110545 in words is "twenty billion, fifty million, one hundred ten thousand, five hundred forty-five".
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