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4287540642025 = 521036592526653
BaseRepresentation
bin111110011001000101010…
…101100100000011101001
3120011212220002010202122111
4332121011111210003221
51030221340401021100
613041400255522321
7621523153065604
oct76310525440351
916155802122574
104287540642025
111403376a09903
12592b548293a1
1325140c56a574
1410b73784b33b
15767de90c6ba
hex3e6455640e9

4287540642025 has 24 divisors (see below), whose sum is σ = 5376315447360. Its totient is φ = 3391575512640.

The previous prime is 4287540641981. The next prime is 4287540642089. The reversal of 4287540642025 is 5202460457824.

It is not a de Polignac number, because 4287540642025 - 219 = 4287540117737 is a prime.

It is a super-2 number, since 2×42875406420252 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4287540642025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433599 + ... + 2960251.

It is an arithmetic number, because the mean of its divisors is an integer number (224013143640).

Almost surely, 24287540642025 is an apocalyptic number.

It is an amenable number.

4287540642025 is a deficient number, since it is larger than the sum of its proper divisors (1088774805335).

4287540642025 is a wasteful number, since it uses less digits than its factorization.

4287540642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527425 (or 2527420 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 49.

The spelling of 4287540642025 in words is "four trillion, two hundred eighty-seven billion, five hundred forty million, six hundred forty-two thousand, twenty-five".

Divisors: 1 5 25 103 515 659 2575 3295 16475 67877 339385 1696925 2526653 12633265 63166325 260245259 1301226295 1665064327 6506131475 8325321635 41626608175 171501625681 857508128405 4287540642025