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42312323549 = 711374349987
BaseRepresentation
bin100111011010000000…
…101101000111011101
311001012211002202002102
4213122000231013131
51143123423323144
631234335534445
73025352546606
oct473200550735
9131184082072
1042312323549
1116a43226a41
12824a38a425
133cb4150a52
142095726dad
1511799deb4e
hex9da02d1dd

42312323549 has 8 divisors (see below), whose sum is σ = 43221480768. Its totient is φ = 41411866720.

The previous prime is 42312323509. The next prime is 42312323561. The reversal of 42312323549 is 94532321324.

42312323549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42312323549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312323509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165267 + ... + 2184720.

It is an arithmetic number, because the mean of its divisors is an integer number (5402685096).

Almost surely, 242312323549 is an apocalyptic number.

It is an amenable number.

42312323549 is a deficient number, since it is larger than the sum of its proper divisors (909157219).

42312323549 is a wasteful number, since it uses less digits than its factorization.

42312323549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350195.

The product of its digits is 155520, while the sum is 38.

The spelling of 42312323549 in words is "forty-two billion, three hundred twelve million, three hundred twenty-three thousand, five hundred forty-nine".

Divisors: 1 71 137 9727 4349987 308849077 595948219 42312323549