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25421240125354 = 2231027353794963
BaseRepresentation
bin1011100011110110101111…
…11111001100011110101010
310100000020122221012011111011
411301323113333030132222
511313000144433002404
6130022205000254134
75232424012536553
oct561732777143652
9110006587164434
1025421240125354
1181110a63584a7
122a26981a7134a
13112529c294038
1463c574a6532a
152e13e8a31604
hex171ed7fcc7aa

25421240125354 has 16 divisors (see below), whose sum is σ = 39793641129792. Its totient is φ = 12156800692608.

The previous prime is 25421240125327. The next prime is 25421240125367. The reversal of 25421240125354 is 45352104212452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26424924 + ... + 27370039.

It is an arithmetic number, because the mean of its divisors is an integer number (2487102570612).

Almost surely, 225421240125354 is an apocalyptic number.

25421240125354 is a deficient number, since it is larger than the sum of its proper divisors (14372401004438).

25421240125354 is a wasteful number, since it uses less digits than its factorization.

25421240125354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53805261.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 25421240125354 in words is "twenty-five trillion, four hundred twenty-one billion, two hundred forty million, one hundred twenty-five thousand, three hundred fifty-four".

Divisors: 1 2 23 46 10273 20546 236279 472558 53794963 107589926 1237284149 2474568298 552635654899 1105271309798 12710620062677 25421240125354