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315104242225 = 52293133741603
BaseRepresentation
bin1001001010111011010…
…11010010101000110001
31010010100011020000212211
410211131223102220301
520130313141222400
6400431253252121
731523401603063
oct4453553225061
91103304200784
10315104242225
111116a9148013
125109b934041
1323939145346
141137313d733
1582e3714dba
hex495dad2a31

315104242225 has 48 divisors (see below), whose sum is σ = 418489643520. Its totient is φ = 234834969600.

The previous prime is 315104242183. The next prime is 315104242253. The reversal of 315104242225 is 522242401513.

It is a happy number.

It is not a de Polignac number, because 315104242225 - 215 = 315104209457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 7553274 + ... + 7594876.

It is an arithmetic number, because the mean of its divisors is an integer number (8718534240).

Almost surely, 2315104242225 is an apocalyptic number.

It is an amenable number.

315104242225 is a deficient number, since it is larger than the sum of its proper divisors (103385401295).

315104242225 is a wasteful number, since it uses less digits than its factorization.

315104242225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42010 (or 42005 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 315104242225 its reverse (522242401513), we get a palindrome (837346643738).

The spelling of 315104242225 in words is "three hundred fifteen billion, one hundred four million, two hundred forty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 29 31 145 155 337 725 775 899 1685 4495 8425 9773 10447 22475 41603 48865 52235 208015 244325 261175 302963 1040075 1206487 1289693 1514815 6032435 6448465 7574075 14020211 30162175 32242325 37401097 70101055 187005485 350505275 406586119 434626541 935027425 2032930595 2173132705 10164652975 10865663525 12604169689 63020848445 315104242225