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25543250041 = 791073021797
BaseRepresentation
bin10111110010011111…
…110001000001111001
32102221011010112202211
4113302133301001321
5404303033000131
615422344255121
71562662020511
oct276237610171
972834115684
1025543250041
11a918553901
124b4a4714a1
132540c5254a
14134459a841
159e77305b1
hex5f27f1079

25543250041 has 8 divisors (see below), whose sum is σ = 26108334720. Its totient is φ = 24984209328.

The previous prime is 25543250021. The next prime is 25543250069. The reversal of 25543250041 is 14005234552.

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 25543250041 - 25 = 25543250009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25543249985 and 25543250012.

It is not an unprimeable number, because it can be changed into a prime (25543250011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502446 + ... + 1519351.

It is an arithmetic number, because the mean of its divisors is an integer number (3263541840).

Almost surely, 225543250041 is an apocalyptic number.

It is an amenable number.

25543250041 is a deficient number, since it is larger than the sum of its proper divisors (565084679).

25543250041 is a wasteful number, since it uses less digits than its factorization.

25543250041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021983.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 25543250041 its reverse (14005234552), we get a palindrome (39548484593).

The spelling of 25543250041 in words is "twenty-five billion, five hundred forty-three million, two hundred fifty thousand, forty-one".

Divisors: 1 79 107 8453 3021797 238721963 323332279 25543250041