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25123422325 = 523133210661
BaseRepresentation
bin10111011001011110…
…010000000001110101
32101211220011002102011
4113121132100001311
5402423044003300
615312550044221
71546403365141
oct273136200165
971756132364
1025123422325
11a722576051
124a51949671
1324a4c8b091
141304914221
159c0951eba
hex5d9790075

25123422325 has 12 divisors (see below), whose sum is σ = 31252583908. Its totient is φ = 20034518400.

The previous prime is 25123422319. The next prime is 25123422343. The reversal of 25123422325 is 52322432152.

It can be written as a sum of positive squares in 6 ways, for example, as 540004644 + 24583417681 = 23238^2 + 156791^2 .

It is not a de Polignac number, because 25123422325 - 27 = 25123422197 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1597506 + ... + 1613155.

Almost surely, 225123422325 is an apocalyptic number.

25123422325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25123422325 is a deficient number, since it is larger than the sum of its proper divisors (6129161583).

25123422325 is a wasteful number, since it uses less digits than its factorization.

25123422325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210984 (or 3210979 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

Adding to 25123422325 its reverse (52322432152), we get a palindrome (77445854477).

The spelling of 25123422325 in words is "twenty-five billion, one hundred twenty-three million, four hundred twenty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 313 1565 7825 3210661 16053305 80266525 1004936893 5024684465 25123422325