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5278025525 = 52211121021
BaseRepresentation
bin1001110101001100…
…00100011100110101
3111121211112110212212
410322212010130311
541302133304100
62231422223205
7244536322343
oct47246043465
914554473785
105278025525
112269342773
121033724b05
13661634636
14380d94993
1520d574635
hex13a984735

5278025525 has 6 divisors (see below), whose sum is σ = 6544751682. Its totient is φ = 4222420400.

The previous prime is 5278025503. The next prime is 5278025531. The reversal of 5278025525 is 5255208725.

It can be written as a sum of positive squares in 3 ways, for example, as 1896254116 + 3381771409 = 43546^2 + 58153^2 .

It is not a de Polignac number, because 5278025525 - 210 = 5278024501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105560486 + ... + 105560535.

It is an arithmetic number, because the mean of its divisors is an integer number (1090791947).

Almost surely, 25278025525 is an apocalyptic number.

It is an amenable number.

5278025525 is a deficient number, since it is larger than the sum of its proper divisors (1266726157).

5278025525 is a wasteful number, since it uses less digits than its factorization.

5278025525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211121031 (or 211121026 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 5278025525 is about 72650.0208189922. The cubic root of 5278025525 is about 1741.1004538528.

The spelling of 5278025525 in words is "five billion, two hundred seventy-eight million, twenty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 211121021 1055605105 5278025525