Base | Representation |
---|---|
bin | 101011011000100100111… |
… | …100011100101000010000 |
3 | 101120000022210222011002011 |
4 | 223120210330130220100 |
5 | 342321224221112404 |
6 | 10201334111032304 |
7 | 425252031321202 |
oct | 53304474345020 |
9 | 11500283864064 |
10 | 2981327129104 |
11 | a4a412494475 |
12 | 40197450b694 |
13 | 1881a409b57c |
14 | a4422d94772 |
15 | 52840276604 |
hex | 2b624f1ca10 |
2981327129104 has 15 divisors (see below), whose sum is σ = 5776334694223. Its totient is φ = 1490660111248.
The previous prime is 2981327129101. The next prime is 2981327129117. The reversal of 2981327129104 is 4019217231892.
The square root of 2981327129104 is 1726652.
It is a perfect power (a square), and thus also a powerful number.
It is a super-3 number, since 3×29813271291043 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2981327129101) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6690777 + ... + 7122439.
Almost surely, 22981327129104 is an apocalyptic number.
2981327129104 is the 1726652-nd square number.
It is an amenable number.
2981327129104 is a deficient number, since it is larger than the sum of its proper divisors (2795007565119).
2981327129104 is an frugal number, since it uses more digits than its factorization.
2981327129104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863334 (or 431665 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 49.
Multiplying 2981327129104 by its sum of digits (49), we get a square (146085029326096 = 120865642).
The spelling of 2981327129104 in words is "two trillion, nine hundred eighty-one billion, three hundred twenty-seven million, one hundred twenty-nine thousand, one hundred four".
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