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25241141121 = 372451937997
BaseRepresentation
bin10111100000011111…
…010011111110000001
32102011002122211020120
4113200133103332001
5403143213003441
615332353130453
71552333105500
oct274037237601
972132584216
1025241141121
11a782a69a09
124a85259a29
1324c3496881
1413163d8837
159cae56966
hex5e07d3f81

25241141121 has 24 divisors (see below), whose sum is σ = 39159218880. Its totient is φ = 14419937952.

The previous prime is 25241141113. The next prime is 25241141141. The reversal of 25241141121 is 12114114252.

It is not a de Polignac number, because 25241141121 - 23 = 25241141113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25241141091 and 25241141100.

It is not an unprimeable number, because it can be changed into a prime (25241141141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 645295 + ... + 683291.

It is an arithmetic number, because the mean of its divisors is an integer number (1631634120).

Almost surely, 225241141121 is an apocalyptic number.

25241141121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25241141121 is a deficient number, since it is larger than the sum of its proper divisors (13918077759).

25241141121 is a wasteful number, since it uses less digits than its factorization.

25241141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42533 (or 42526 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

Adding to 25241141121 its reverse (12114114252), we get a palindrome (37355255373).

The spelling of 25241141121 in words is "twenty-five billion, two hundred forty-one million, one hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 3 7 21 49 147 4519 13557 31633 37997 94899 113991 221431 265979 664293 797937 1861853 5585559 171708443 515125329 1201959101 3605877303 8413713707 25241141121