Base | Representation |
---|---|
bin | 1001001100110011110110… |
… | …00111110101001110011001 |
3 | 2122122002200101011021211000 |
4 | 10212121323013311032121 |
5 | 10122432312033132440 |
6 | 111010054220255213 |
7 | 4155445000216011 |
oct | 446317307651631 |
9 | 78562611137730 |
10 | 20231361614745 |
11 | 64a0088223606 |
12 | 2328b820a1509 |
13 | b39a69ac6ba8 |
14 | 4dd2bb546c41 |
15 | 2513e6745730 |
hex | 12667b1f5399 |
20231361614745 has 32 divisors (see below), whose sum is σ = 38082563043840. Its totient is φ = 10155350142720.
The previous prime is 20231361614707. The next prime is 20231361614749. The reversal of 20231361614745 is 54741616313202.
20231361614745 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 13 + 6 + 161 + 474 + 5 = 666.
It is not a de Polignac number, because 20231361614745 - 28 = 20231361614489 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 20231361614745.
It is not an unprimeable number, because it can be changed into a prime (20231361614749) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4407701761 + ... + 4407706350.
It is an arithmetic number, because the mean of its divisors is an integer number (1190080095120).
Almost surely, 220231361614745 is an apocalyptic number.
It is an amenable number.
20231361614745 is a deficient number, since it is larger than the sum of its proper divisors (17851201429095).
20231361614745 is a wasteful number, since it uses less digits than its factorization.
20231361614745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8815408142 (or 8815408136 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
Adding to 20231361614745 its reverse (54741616313202), we get a palindrome (74972977927947).
The spelling of 20231361614745 in words is "twenty trillion, two hundred thirty-one billion, three hundred sixty-one million, six hundred fourteen thousand, seven hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •