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5130421012025 = 523731213453569
BaseRepresentation
bin100101010101000010011…
…1011000000011000111001
3200011110111212020222221222
41022222010323000120321
51133024100234341100
614524514411241425
71036442421033611
oct112520473003071
920143455228858
105130421012025
1116a8887a03211
126aa387749275
132b2a4825632a
1413a456b25a41
158d6c24e9485
hex4aa84ec0639

5130421012025 has 24 divisors (see below), whose sum is σ = 6384050364120. Its totient is φ = 4089949655040.

The previous prime is 5130421012019. The next prime is 5130421012027. The reversal of 5130421012025 is 5202101240315.

It can be written as a sum of positive squares in 12 ways, for example, as 2703094403881 + 2427326608144 = 1644109^2 + 1557988^2 .

It is not a de Polignac number, because 5130421012025 - 214 = 5130420995641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5130421011985 and 5130421012003.

It is not an unprimeable number, because it can be changed into a prime (5130421012027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11084441 + ... + 11538009.

It is an arithmetic number, because the mean of its divisors is an integer number (266002098505).

Almost surely, 25130421012025 is an apocalyptic number.

It is an amenable number.

5130421012025 is a deficient number, since it is larger than the sum of its proper divisors (1253629352095).

5130421012025 is a wasteful number, since it uses less digits than its factorization.

5130421012025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455165 (or 455160 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 5130421012025 in words is "five trillion, one hundred thirty billion, four hundred twenty-one million, twelve thousand, twenty-five".

Divisors: 1 5 25 373 1213 1865 6065 9325 30325 452449 453569 2262245 2267845 11311225 11339225 169181237 550179197 845906185 2750895985 4229530925 13754479925 205216840481 1026084202405 5130421012025