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2531475105829 is a prime number
BaseRepresentation
bin100100110101100111101…
…011001010100000100101
322222000011212000121100221
4210311213223022200211
5312433430111341304
65214535453004341
7350615212236355
oct44654753124045
98860155017327
102531475105829
1189665777a13a
1234a749a836b1
13154942561507
148a749dc0b65
1545cb1eb8054
hex24d67aca825

2531475105829 has 2 divisors, whose sum is σ = 2531475105830. Its totient is φ = 2531475105828.

The previous prime is 2531475105697. The next prime is 2531475105871. The reversal of 2531475105829 is 9285015741352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2238907704804 + 292567401025 = 1496298^2 + 540895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531475105829 - 239 = 1981719291941 is a prime.

It is a super-2 number, since 2×25314751058292 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531475105889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265737552914 + 1265737552915.

It is an arithmetic number, because the mean of its divisors is an integer number (1265737552915).

Almost surely, 22531475105829 is an apocalyptic number.

It is an amenable number.

2531475105829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531475105829 is an equidigital number, since it uses as much as digits as its factorization.

2531475105829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 2531475105829 in words is "two trillion, five hundred thirty-one billion, four hundred seventy-five million, one hundred five thousand, eight hundred twenty-nine".