Base | Representation |
---|---|
bin | 11101011001100011011… |
… | …000100110001101000000 |
3 | 21011010202022200101202002 |
4 | 131121203120212031000 |
5 | 231100034304141230 |
6 | 4144040335443132 |
7 | 265650652560653 |
oct | 35314330461500 |
9 | 7133668611662 |
10 | 2020302021440 |
11 | 709894904aaa |
12 | 28766b0864a8 |
13 | 11868a696c01 |
14 | 6dad6d1389a |
15 | 37845506545 |
hex | 1d663626340 |
2020302021440 has 56 divisors (see below), whose sum is σ = 4812450624000. Its totient is φ = 807850961408.
The previous prime is 2020302021431. The next prime is 2020302021449. The reversal of 2020302021440 is 441202030202.
It is an interprime number because it is at equal distance from previous prime (2020302021431) and next prime (2020302021449).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020302021449) 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, 92912 + ... + 2012271.
Almost surely, 22020302021440 is an apocalyptic number.
2020302021440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020302021440 is an abundant number, since it is smaller than the sum of its proper divisors (2792148602560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020302021440 is a wasteful number, since it uses less digits than its factorization.
2020302021440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2108199 (or 2108189 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 2020302021440 its reverse (441202030202), we get a palindrome (2461504051642).
The spelling of 2020302021440 in words is "two trillion, twenty billion, three hundred two million, twenty-one thousand, four hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •