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25203555132425 = 522394218168223
BaseRepresentation
bin1011011101100001010001…
…11100110110010000001001
310022020102210002110202102122
411232300220330312100021
511300413340103214200
6125334204155341025
75210616406612445
oct556605074662011
9108212702422378
1025203555132425
1180378498a936a
1229b074b751775
13110a8ba098007
14631c03d15825
152da907bc9385
hex16ec28f36409

25203555132425 has 12 divisors (see below), whose sum is σ = 31383171586560. Its totient is φ = 20078480736720.

The previous prime is 25203555132373. The next prime is 25203555132439. The reversal of 25203555132425 is 52423155530252.

It is a happy number.

It is not a de Polignac number, because 25203555132425 - 220 = 25203554083849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2109078137 + ... + 2109090086.

It is an arithmetic number, because the mean of its divisors is an integer number (2615264298880).

Almost surely, 225203555132425 is an apocalyptic number.

25203555132425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25203555132425 is a deficient number, since it is larger than the sum of its proper divisors (6179616454135).

25203555132425 is a wasteful number, since it uses less digits than its factorization.

25203555132425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218168472 (or 4218168467 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 25203555132425 in words is "twenty-five trillion, two hundred three billion, five hundred fifty-five million, one hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 239 1195 5975 4218168223 21090841115 105454205575 1008142205297 5040711026485 25203555132425