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25255445441 = 294718529307
BaseRepresentation
bin10111100001010101…
…111000001111000001
32102012002120120002012
4113201111320033001
5403210343223231
615334023502305
71552565513162
oct274125701701
972162516065
1025255445441
11a790049a66
124a89bb7995
1324c6434675
14131827d769
159cc32ee2b
hex5e15783c1

25255445441 has 8 divisors (see below), whose sum is σ = 26682203520. Its totient is φ = 23865746128.

The previous prime is 25255445419. The next prime is 25255445473. The reversal of 25255445441 is 14454455252.

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 25255445441 - 226 = 25188336577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25255444441) 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 7 ways as a sum of consecutive naturals, for example, 9263291 + ... + 9266016.

It is an arithmetic number, because the mean of its divisors is an integer number (3335275440).

Almost surely, 225255445441 is an apocalyptic number.

It is an amenable number.

25255445441 is a deficient number, since it is larger than the sum of its proper divisors (1426758079).

25255445441 is a wasteful number, since it uses less digits than its factorization.

25255445441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18529383.

The product of its digits is 640000, while the sum is 41.

The spelling of 25255445441 in words is "twenty-five billion, two hundred fifty-five million, four hundred forty-five thousand, four hundred forty-one".

Divisors: 1 29 47 1363 18529307 537349903 870877429 25255445441