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42030245525 = 521681209821
BaseRepresentation
bin100111001001001100…
…101010011010010101
311000111011022200210012
4213021030222122111
51142034220324100
631150342010005
73015356122652
oct471114523225
9130434280705
1042030245525
1116908a83604
12818ba16905
133c6a889588
14206a09ac29
15115ed71135
hex9c932a695

42030245525 has 6 divisors (see below), whose sum is σ = 52117504482. Its totient is φ = 33624196400.

The previous prime is 42030245503. The next prime is 42030245533. The reversal of 42030245525 is 52554203024.

It can be written as a sum of positive squares in 3 ways, for example, as 8635241476 + 33395004049 = 92926^2 + 182743^2 .

It is not a de Polignac number, because 42030245525 - 226 = 41963136661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42030245491 and 42030245500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840604886 + ... + 840604935.

It is an arithmetic number, because the mean of its divisors is an integer number (8686250747).

Almost surely, 242030245525 is an apocalyptic number.

It is an amenable number.

42030245525 is a deficient number, since it is larger than the sum of its proper divisors (10087258957).

42030245525 is a wasteful number, since it uses less digits than its factorization.

42030245525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681209831 (or 1681209826 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 42030245525 its reverse (52554203024), we get a palindrome (94584448549).

The spelling of 42030245525 in words is "forty-two billion, thirty million, two hundred forty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 1681209821 8406049105 42030245525