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245403213030425 = 5223934102017769
BaseRepresentation
bin110111110011000101100011…
…010101101110010000011001
31012011220022120212010102102202
4313303011203111232100121
5224131141240013433200
62225532402452535545
7102455540250345242
oct6763054325562031
91164808525112382
10245403213030425
1171213a1111a61a
12236349536215b5
13a6c1567b0a768
144485816665cc9
151d58779eea1d5
hexdf316356e419

245403213030425 has 12 divisors (see below), whose sum is σ = 304427146782780. Its totient is φ = 196240530021120.

The previous prime is 245403213030407. The next prime is 245403213030473. The reversal of 245403213030425 is 524030312304542.

It can be written as a sum of positive squares in 6 ways, for example, as 13067089914649 + 232336123115776 = 3614843^2 + 15242576^2 .

It is not a de Polignac number, because 245403213030425 - 220 = 245403211981849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050949060 + ... + 2051068709.

It is an arithmetic number, because the mean of its divisors is an integer number (25368928898565).

Almost surely, 2245403213030425 is an apocalyptic number.

245403213030425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245403213030425 is a deficient number, since it is larger than the sum of its proper divisors (59023933752355).

245403213030425 is a wasteful number, since it uses less digits than its factorization.

245403213030425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102020172 (or 4102020167 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 245403213030425 its reverse (524030312304542), we get a palindrome (769433525334967).

The spelling of 245403213030425 in words is "two hundred forty-five trillion, four hundred three billion, two hundred thirteen million, thirty thousand, four hundred twenty-five".

Divisors: 1 5 25 2393 11965 59825 4102017769 20510088845 102550444225 9816128521217 49080642606085 245403213030425