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25020505052 = 226255126263
BaseRepresentation
bin10111010011010101…
…101001101111011100
32101120201111100110022
4113103111221233130
5402220222130202
615254432131312
71544013532604
oct272325515734
971521440408
1025020505052
11a67a471854
124a23396b38
13248986579a
1412d4da3c04
159b68c2ea2
hex5d3569bdc

25020505052 has 6 divisors (see below), whose sum is σ = 43785883848. Its totient is φ = 12510252524.

The previous prime is 25020505051. The next prime is 25020505057. The reversal of 25020505052 is 25050502052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25020505051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127563128 + ... + 3127563135.

It is an arithmetic number, because the mean of its divisors is an integer number (7297647308).

Almost surely, 225020505052 is an apocalyptic number.

It is an amenable number.

25020505052 is a deficient number, since it is larger than the sum of its proper divisors (18765378796).

25020505052 is a wasteful number, since it uses less digits than its factorization.

25020505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255126267 (or 6255126265 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 25020505052 in words is "twenty-five billion, twenty million, five hundred five thousand, fifty-two".

Divisors: 1 2 4 6255126263 12510252526 25020505052