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25000425321 = 319479331999
BaseRepresentation
bin10111010010001001…
…000011011101101001
32101112022201012020120
4113102021003131221
5402200102102241
615252433513453
71543351052244
oct272211033551
971468635216
1025000425321
11a66a0a7633
124a18712889
132485654ca1
1412d245825b
159b4c58666
hex5d2243769

25000425321 has 16 divisors (see below), whose sum is σ = 35834880000. Its totient is φ = 15453788688.

The previous prime is 25000425259. The next prime is 25000425341. The reversal of 25000425321 is 12352400052.

It is not a de Polignac number, because 25000425321 - 27 = 25000425193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25000425291 and 25000425300.

It is not an unprimeable number, because it can be changed into a prime (25000425341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4663321 + ... + 4668678.

It is an arithmetic number, because the mean of its divisors is an integer number (2239680000).

Almost surely, 225000425321 is an apocalyptic number.

It is an amenable number.

25000425321 is a deficient number, since it is larger than the sum of its proper divisors (10834454679).

25000425321 is a wasteful number, since it uses less digits than its factorization.

25000425321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9332068.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 25000425321 its reverse (12352400052), we get a palindrome (37352825373).

The spelling of 25000425321 in words is "twenty-five billion, four hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 3 19 47 57 141 893 2679 9331999 27995997 177307981 438603953 531923943 1315811859 8333475107 25000425321