Base | Representation |
---|---|
bin | 11101101100001001000… |
… | …00010110011100110111 |
3 | 10121112010122011202020002 |
4 | 32312010200112130313 |
5 | 113203211330302411 |
6 | 2100350313101515 |
7 | 133462531445066 |
oct | 16660440263467 |
9 | 3545118152202 |
10 | 1020130322231 |
11 | 3636a8a76a39 |
12 | 14585b6b789b |
13 | 75275972807 |
14 | 37535b741dd |
15 | 1b808b7633b |
hex | ed84816737 |
1020130322231 has 4 divisors (see below), whose sum is σ = 1041835222752. Its totient is φ = 998425421712.
The previous prime is 1020130322213. The next prime is 1020130322249. The reversal of 1020130322231 is 1322230310201.
1020130322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (1020130322213) and next prime (1020130322249).
It is a cyclic number.
It is not a de Polignac number, because 1020130322231 - 218 = 1020130060087 is a prime.
It is a super-2 number, since 2×10201303222312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020130322251) 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, 10852450190 + ... + 10852450283.
It is an arithmetic number, because the mean of its divisors is an integer number (260458805688).
Almost surely, 21020130322231 is an apocalyptic number.
1020130322231 is a deficient number, since it is larger than the sum of its proper divisors (21704900521).
1020130322231 is an equidigital number, since it uses as much as digits as its factorization.
1020130322231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21704900520.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1020130322231 its reverse (1322230310201), we get a palindrome (2342360632432).
The spelling of 1020130322231 in words is "one trillion, twenty billion, one hundred thirty million, three hundred twenty-two thousand, two hundred thirty-one".
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