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2050475881 is a prime number
BaseRepresentation
bin111101000110111…
…1100011101101001
312021220022222010011
41322031330131221
513144410212011
6535244451521
7101545520536
oct17215743551
95256288104
102050475881
11962492973
12492849ba1
13268a6b24c
14156477d8d
15c0033621
hex7a37c769

2050475881 has 2 divisors, whose sum is σ = 2050475882. Its totient is φ = 2050475880.

The previous prime is 2050475863. The next prime is 2050475891. The reversal of 2050475881 is 1885740502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1639035225 + 411440656 = 40485^2 + 20284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050475881 - 211 = 2050473833 is a prime.

It is a super-2 number, since 2×20504758812 = 8408902677125452322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2050475831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025237940 + 1025237941.

It is an arithmetic number, because the mean of its divisors is an integer number (1025237941).

Almost surely, 22050475881 is an apocalyptic number.

It is an amenable number.

2050475881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050475881 is an equidigital number, since it uses as much as digits as its factorization.

2050475881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2050475881 is about 45282.1806122453. The cubic root of 2050475881 is about 1270.4323823801.

The spelling of 2050475881 in words is "two billion, fifty million, four hundred seventy-five thousand, eight hundred eighty-one".