Base | Representation |
---|---|
bin | 111101111001010… |
… | …1011001111011001 |
3 | 12100202000112100011 |
4 | 1323302223033121 |
5 | 13223140210011 |
6 | 542030441521 |
7 | 102316130134 |
oct | 17362531731 |
9 | 5322015304 |
10 | 2076881881 |
11 | 976389108 |
12 | 49b6632a1 |
13 | 2713853b9 |
14 | 159b8d21b |
15 | c24ec621 |
hex | 7bcab3d9 |
2076881881 has 2 divisors, whose sum is σ = 2076881882. Its totient is φ = 2076881880.
The previous prime is 2076881869. The next prime is 2076881953. The reversal of 2076881881 is 1881886702.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2071706256 + 5175625 = 45516^2 + 2275^2 .
It is a cyclic number.
It is not a de Polignac number, because 2076881881 - 29 = 2076881369 is a prime.
It is a super-2 number, since 2×20768818812 = 8626876695252196322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2076881861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038440940 + 1038440941.
It is an arithmetic number, because the mean of its divisors is an integer number (1038440941).
Almost surely, 22076881881 is an apocalyptic number.
It is an amenable number.
2076881881 is a deficient number, since it is larger than the sum of its proper divisors (1).
2076881881 is an equidigital number, since it uses as much as digits as its factorization.
2076881881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 344064, while the sum is 49.
The square root of 2076881881 is about 45572.8195419156. The cubic root of 2076881881 is about 1275.8626751272.
The spelling of 2076881881 in words is "two billion, seventy-six million, eight hundred eighty-one thousand, eight hundred eighty-one".
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