Base | Representation |
---|---|
bin | 11101111011101101110… |
… | …10000010011000000100 |
3 | 10122022201101100112201001 |
4 | 32331312322002120010 |
5 | 113322322434444231 |
6 | 2104252135143044 |
7 | 134206664454100 |
oct | 16756672023004 |
9 | 3568641315631 |
10 | 1028492109316 |
11 | 3671a9a8a381 |
12 | 1473b3b14a84 |
13 | 75ca9137c19 |
14 | 37aca4d6900 |
15 | 1bb47cd7b61 |
hex | ef76e82604 |
1028492109316 has 81 divisors (see below), whose sum is σ = 2116592815701. Its totient is φ = 436017874656.
The previous prime is 1028492109301. The next prime is 1028492109319. The reversal of 1028492109316 is 6139012948201.
The square root of 1028492109316 is 1014146.
It is a perfect power (a square), and thus also a powerful number.
1028492109316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 1022424322500 + 6067786816 = 1011150^2 + 77896^2 .
It is not an unprimeable number, because it can be changed into a prime (1028492109319) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1519190370 + ... + 1519191046.
Almost surely, 21028492109316 is an apocalyptic number.
1028492109316 is the 1014146-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1028492109316
1028492109316 is an abundant number, since it is smaller than the sum of its proper divisors (1088100706385).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028492109316 is an frugal number, since it uses more digits than its factorization.
1028492109316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1586 (or 793 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 46.
The spelling of 1028492109316 in words is "one trillion, twenty-eight billion, four hundred ninety-two million, one hundred nine thousand, three hundred sixteen".
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