Base | Representation |
---|---|
bin | 11101101100010100111… |
… | …01001001000110111001 |
3 | 10121112101121000020112222 |
4 | 32312022131021012321 |
5 | 113203412404110231 |
6 | 2100404240413425 |
7 | 133465153066664 |
oct | 16661235110671 |
9 | 3545347006488 |
10 | 1020230144441 |
11 | 36374a356932 |
12 | 145889017275 |
13 | 75290553401 |
14 | 3754511a6db |
15 | 1b8127e327b |
hex | ed8a7491b9 |
1020230144441 has 16 divisors (see below), whose sum is σ = 1075793457024. Its totient is φ = 965621948544.
The previous prime is 1020230144431. The next prime is 1020230144449. The reversal of 1020230144441 is 1444410320201.
It is not a de Polignac number, because 1020230144441 - 26 = 1020230144377 is a prime.
It is a super-2 number, since 2×10202301444412 (a number of 25 digits) contains 22 as substring.
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 1020230144441.
It is not an unprimeable number, because it can be changed into a prime (1020230144449) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867211 + ... + 2350943.
It is an arithmetic number, because the mean of its divisors is an integer number (67237091064).
Almost surely, 21020230144441 is an apocalyptic number.
It is an amenable number.
1020230144441 is a deficient number, since it is larger than the sum of its proper divisors (55563312583).
1020230144441 is a wasteful number, since it uses less digits than its factorization.
1020230144441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484720.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 1020230144441 its reverse (1444410320201), we get a palindrome (2464640464642).
The spelling of 1020230144441 in words is "one trillion, twenty billion, two hundred thirty million, one hundred forty-four thousand, four hundred forty-one".
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