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42755738525 = 523794512479
BaseRepresentation
bin100111110100011100…
…001100101110011101
311002100201110120002022
4213310130030232131
51200030432113100
631350335505525
73042345531623
oct476434145635
9132321416068
1042755738525
11171505551a5
1283529882a5
134054c83386
1420d858d513
1511a38cbe85
hex9f470cb9d

42755738525 has 12 divisors (see below), whose sum is σ = 53157014400. Its totient is φ = 34114333680.

The previous prime is 42755738521. The next prime is 42755738533. The reversal of 42755738525 is 52583755724.

It is not a de Polignac number, because 42755738525 - 22 = 42755738521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42755738521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246765 + ... + 2265714.

It is an arithmetic number, because the mean of its divisors is an integer number (4429751200).

Almost surely, 242755738525 is an apocalyptic number.

It is an amenable number.

42755738525 is a deficient number, since it is larger than the sum of its proper divisors (10401275875).

42755738525 is a wasteful number, since it uses less digits than its factorization.

42755738525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512868 (or 4512863 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 53.

The spelling of 42755738525 in words is "forty-two billion, seven hundred fifty-five million, seven hundred thirty-eight thousand, five hundred twenty-five".

Divisors: 1 5 25 379 1895 9475 4512479 22562395 112811975 1710229541 8551147705 42755738525