Base | Representation |
---|---|
bin | 11101011001011101011… |
… | …011011011100100100111 |
3 | 21011010111100122220201012 |
4 | 131121131123123210213 |
5 | 231044333214213111 |
6 | 4144022410052435 |
7 | 265645330346552 |
oct | 35313533334447 |
9 | 7133440586635 |
10 | 2020202101031 |
11 | 709843468354 |
12 | 28764171a11b |
13 | 118672a806ca |
14 | 6dac7943699 |
15 | 3783b86a48b |
hex | 1d65d6db927 |
2020202101031 has 4 divisors (see below), whose sum is σ = 2021781619200. Its totient is φ = 2018622582864.
The previous prime is 2020202101013. The next prime is 2020202101033. The reversal of 2020202101031 is 1301012020202.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2020202101031 is a prime.
It is a super-2 number, since 2×20202021010312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2020202100997 and 2020202101015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020202101033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789757166 + ... + 789759723.
It is an arithmetic number, because the mean of its divisors is an integer number (505445404800).
Almost surely, 22020202101031 is an apocalyptic number.
2020202101031 is a deficient number, since it is larger than the sum of its proper divisors (1579518169).
2020202101031 is a wasteful number, since it uses less digits than its factorization.
2020202101031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1579518168.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 2020202101031 its reverse (1301012020202), we get a palindrome (3321214121233).
The spelling of 2020202101031 in words is "two trillion, twenty billion, two hundred two million, one hundred one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.120 sec. • engine limits •