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25353120344 = 236614794463
BaseRepresentation
bin10111100111001010…
…011110101001011000
32102102220100221212012
4113213022132221120
5403410344322334
615351433205052
71555162652516
oct274712365130
972386327765
1025353120344
11a8301a2622
124ab6860788
132510742a76
1413272274b6
159d5bc59ce
hex5e729ea58

25353120344 has 16 divisors (see below), whose sum is σ = 47609027520. Its totient is φ = 12657379680.

The previous prime is 25353120301. The next prime is 25353120389. The reversal of 25353120344 is 44302135352.

It is a super-2 number, since 2×253531203442 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25353120344.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2391944 + ... + 2402519.

It is an arithmetic number, because the mean of its divisors is an integer number (2975564220).

Almost surely, 225353120344 is an apocalyptic number.

It is an amenable number.

25353120344 is a deficient number, since it is larger than the sum of its proper divisors (22255907176).

25353120344 is a wasteful number, since it uses less digits than its factorization.

25353120344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795130 (or 4795126 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 25353120344 its reverse (44302135352), we get a palindrome (69655255696).

The spelling of 25353120344 in words is "twenty-five billion, three hundred fifty-three million, one hundred twenty thousand, three hundred forty-four".

Divisors: 1 2 4 8 661 1322 2644 5288 4794463 9588926 19177852 38355704 3169140043 6338280086 12676560172 25353120344