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253101125351431 = 7193187343542081
BaseRepresentation
bin111001100011000110110010…
…101010110011100000000111
31020012011020020121020201100201
4321203012302222303200013
5231133302101042221211
62254145015105351331
7104211644555432350
oct7143066252634007
91205136217221321
10253101125351431
1173711647a23415
122447883a938547
13ab2c44520a2b6
144670234802d27
151e3db1b3700c1
hexe631b2ab3807

253101125351431 has 8 divisors (see below), whose sum is σ = 290757177311264. Its totient is φ = 215819760476160.

The previous prime is 253101125351231. The next prime is 253101125351497. The reversal of 253101125351431 is 134153521101352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253101125351431 - 29 = 253101125350919 is a prime.

It is a super-2 number, since 2×2531011253514312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253101125351231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93671769690 + ... + 93671772391.

It is an arithmetic number, because the mean of its divisors is an integer number (36344647163908).

Almost surely, 2253101125351431 is an apocalyptic number.

253101125351431 is a deficient number, since it is larger than the sum of its proper divisors (37656051959833).

253101125351431 is a wasteful number, since it uses less digits than its factorization.

253101125351431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187343542281.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 253101125351431 its reverse (134153521101352), we get a palindrome (387254646452783).

The spelling of 253101125351431 in words is "two hundred fifty-three trillion, one hundred one billion, one hundred twenty-five million, three hundred fifty-one thousand, four hundred thirty-one".

Divisors: 1 7 193 1351 187343542081 1311404794567 36157303621633 253101125351431