Base | Representation |
---|---|
bin | 111100011010101… |
… | …0000111000111011 |
3 | 12020021120220000121 |
4 | 1320311100320323 |
5 | 13122432304411 |
6 | 533054314111 |
7 | 101144105563 |
oct | 17065207073 |
9 | 5207526017 |
10 | 2027228731 |
11 | 950354a50 |
12 | 486ab8937 |
13 | 263cbbb38 |
14 | 153345da3 |
15 | bce90571 |
hex | 78d50e3b |
2027228731 has 32 divisors (see below), whose sum is σ = 2449440000. Its totient is φ = 1656869760.
The previous prime is 2027228729. The next prime is 2027228759. The reversal of 2027228731 is 1378227202.
It is a happy number.
It is not a de Polignac number, because 2027228731 - 21 = 2027228729 is a prime.
It is a super-2 number, since 2×20272287312 = 8219312655583740722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2027228131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354765 + ... + 360433.
It is an arithmetic number, because the mean of its divisors is an integer number (76545000).
Almost surely, 22027228731 is an apocalyptic number.
2027228731 is a deficient number, since it is larger than the sum of its proper divisors (422211269).
2027228731 is a wasteful number, since it uses less digits than its factorization.
2027228731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5787.
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 2027228731 is about 45024.7568677500. The cubic root of 2027228731 is about 1265.6129721042.
The spelling of 2027228731 in words is "two billion, twenty-seven million, two hundred twenty-eight thousand, seven hundred thirty-one".
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