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525298228025 = 5222991755149
BaseRepresentation
bin1111010010011100011…
…01101101101100111001
31212012212221021211222212
413221032031231230321
532101302321244100
61041152500024505
752644244160234
oct7511615555471
91765787254885
10525298228025
1119286117866a
1285981392135
133a6c63b167c
141b5d303c41b
15d9e6ab4635
hex7a4e36db39

525298228025 has 12 divisors (see below), whose sum is σ = 654214219500. Its totient is φ = 418403474880.

The previous prime is 525298228019. The next prime is 525298228027. The reversal of 525298228025 is 520822892525.

It can be written as a sum of positive squares in 6 ways, for example, as 23331646009 + 501966582016 = 152747^2 + 708496^2 .

It is not a de Polignac number, because 525298228025 - 212 = 525298223929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525298228027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45871850 + ... + 45883299.

It is an arithmetic number, because the mean of its divisors is an integer number (54517851625).

Almost surely, 2525298228025 is an apocalyptic number.

It is an amenable number.

525298228025 is a deficient number, since it is larger than the sum of its proper divisors (128915991475).

525298228025 is a wasteful number, since it uses less digits than its factorization.

525298228025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91755388 (or 91755383 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 525298228025 in words is "five hundred twenty-five billion, two hundred ninety-eight million, two hundred twenty-eight thousand, twenty-five".

Divisors: 1 5 25 229 1145 5725 91755149 458775745 2293878725 21011929121 105059645605 525298228025