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42554045525 = 521702161821
BaseRepresentation
bin100111101000011010…
…110011010001010101
311001211122221111022012
4213220122303101111
51144122313424100
631314332514005
73034346263445
oct475032632125
9131748844265
1042554045525
1117057716272
1282b731b905
1340222555c4
1420b988a125
151190d3b135
hex9e86b3455

42554045525 has 6 divisors (see below), whose sum is σ = 52767016482. Its totient is φ = 34043236400.

The previous prime is 42554045503. The next prime is 42554045579. The reversal of 42554045525 is 52554045524.

42554045525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3023460196 + 39530585329 = 54986^2 + 198823^2 .

It is not a de Polignac number, because 42554045525 - 26 = 42554045461 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, 851080886 + ... + 851080935.

It is an arithmetic number, because the mean of its divisors is an integer number (8794502747).

Almost surely, 242554045525 is an apocalyptic number.

It is an amenable number.

42554045525 is a deficient number, since it is larger than the sum of its proper divisors (10212970957).

42554045525 is a wasteful number, since it uses less digits than its factorization.

42554045525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702161831 (or 1702161826 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 41.

Subtracting 42554045525 from its reverse (52554045524), we obtain a palindrome (9999999999).

The spelling of 42554045525 in words is "forty-two billion, five hundred fifty-four million, forty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 1702161821 8510809105 42554045525