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25803479130 = 23511134323253
BaseRepresentation
bin11000000010000000…
…011101100001011010
32110121021210112222020
4120002000131201122
5410321142313010
615504242035310
71602301645062
oct300200354132
973537715866
1025803479130
11aa41433870
125001648b36
132582b36b60
14136ad7a3a2
15a104d5470
hex60201d85a

25803479130 has 192 divisors, whose sum is σ = 74509206912. Its totient is φ = 5638187520.

The previous prime is 25803479129. The next prime is 25803479159. The reversal of 25803479130 is 3197430852.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7930584 + ... + 7933836.

It is an arithmetic number, because the mean of its divisors is an integer number (388068786).

Almost surely, 225803479130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25803479130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37254603456).

25803479130 is an abundant number, since it is smaller than the sum of its proper divisors (48705727782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25803479130 is a wasteful number, since it uses less digits than its factorization.

25803479130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 25803479130 in words is "twenty-five billion, eight hundred three million, four hundred seventy-nine thousand, one hundred thirty".