Base | Representation |
---|---|
bin | 10001101001101101101… |
… | …000110110010000100111 |
3 | 11021222000110111220102000 |
4 | 101221231220312100213 |
5 | 124333231132431043 |
6 | 2325130452420343 |
7 | 153431525410500 |
oct | 21515550662047 |
9 | 4258013456360 |
10 | 1213020202023 |
11 | 42849130a633 |
12 | 1771120176b3 |
13 | 8a505c10a66 |
14 | 429d3831ba7 |
15 | 21847ccd2d3 |
hex | 11a6da36427 |
1213020202023 has 24 divisors (see below), whose sum is σ = 2090465656560. Its totient is φ = 693154400400.
The previous prime is 1213020201961. The next prime is 1213020202033. The reversal of 1213020202023 is 3202020203121.
It is not a de Polignac number, because 1213020202023 - 212 = 1213020197927 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1213020201987 and 1213020202005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213020202033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458434128 + ... + 458436773.
It is an arithmetic number, because the mean of its divisors is an integer number (87102735690).
Almost surely, 21213020202023 is an apocalyptic number.
1213020202023 is a deficient number, since it is larger than the sum of its proper divisors (877445454537).
1213020202023 is an equidigital number, since it uses as much as digits as its factorization.
1213020202023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 916870924 (or 916870911 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 1213020202023 its reverse (3202020203121), we get a palindrome (4415040405144).
The spelling of 1213020202023 in words is "one trillion, two hundred thirteen billion, twenty million, two hundred two thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.320 sec. • engine limits •