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2076881881 is a prime number
BaseRepresentation
bin111101111001010…
…1011001111011001
312100202000112100011
41323302223033121
513223140210011
6542030441521
7102316130134
oct17362531731
95322015304
102076881881
11976389108
1249b6632a1
132713853b9
14159b8d21b
15c24ec621
hex7bcab3d9

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".