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225455125524245 = 5165727212447257
BaseRepresentation
bin110011010000110011011100…
…101010110110111100010101
31002120021022002100011211201022
4303100303130222312330111
5214022324044113233440
62115300353235410525
765326411120252661
oct6320633452667425
91076238070154638
10225455125524245
1165922a88834541
1221352869453a45
1398a5433882cb6
143d9612cb358a1
151b0e912883cb5
hexcd0cdcab6f15

225455125524245 has 8 divisors (see below), whose sum is σ = 270709425322584. Its totient is φ = 180255250623744.

The previous prime is 225455125524241. The next prime is 225455125524247. The reversal of 225455125524245 is 542425521554522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5473012265809 + 219982113258436 = 2339447^2 + 14831794^2 .

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 225455125524245 - 22 = 225455125524241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225455125524241) 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, 13606215344 + ... + 13606231913.

It is an arithmetic number, because the mean of its divisors is an integer number (33838678165323).

Almost surely, 2225455125524245 is an apocalyptic number.

It is an amenable number.

225455125524245 is a deficient number, since it is larger than the sum of its proper divisors (45254299798339).

225455125524245 is a wasteful number, since it uses less digits than its factorization.

225455125524245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27212448919.

The product of its digits is 32000000, while the sum is 53.

The spelling of 225455125524245 in words is "two hundred twenty-five trillion, four hundred fifty-five billion, one hundred twenty-five million, five hundred twenty-four thousand, two hundred forty-five".

Divisors: 1 5 1657 8285 27212447257 136062236285 45091025104849 225455125524245