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25000050055 = 525439196549
BaseRepresentation
bin10111010010000111…
…100111110110000111
32101112022000010110211
4113102013213312013
5402200003100210
615252421500251
71543344630211
oct272207476607
971468003424
1025000050055
11a6699706a2
124a18571687
132485553236
1412d239b5b1
159b4bd238a
hex5d21e7d87

25000050055 has 8 divisors (see below), whose sum is σ = 30001392000. Its totient is φ = 19999152096.

The previous prime is 25000050017. The next prime is 25000050067. The reversal of 25000050055 is 55005000052.

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 25000050055 - 219 = 24999525767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28921 + ... + 225469.

It is an arithmetic number, because the mean of its divisors is an integer number (3750174000).

Almost surely, 225000050055 is an apocalyptic number.

25000050055 is a deficient number, since it is larger than the sum of its proper divisors (5001341945).

25000050055 is a wasteful number, since it uses less digits than its factorization.

25000050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221993.

The product of its (nonzero) digits is 1250, while the sum is 22.

The spelling of 25000050055 in words is "twenty-five billion, fifty thousand, fifty-five".

Divisors: 1 5 25439 127195 196549 982745 5000010011 25000050055