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42379600031 = 50873833047
BaseRepresentation
bin100111011110000001…
…010110000010011111
311001101111200202001222
4213132001112002133
51143243134200111
631245141523555
73030130441136
oct473601260237
9131344622058
1042379600031
1116a781a783a
128268a135bb
133cc5077a12
1420a063a91d
15118087d7db
hex9de05609f

42379600031 has 4 divisors (see below), whose sum is σ = 42380483952. Its totient is φ = 42378716112.

The previous prime is 42379599991. The next prime is 42379600037. The reversal of 42379600031 is 13000697324.

42379600031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42379600031 - 26 = 42379599967 is a prime.

It is a super-2 number, since 2×423796000312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42379599964 and 42379600000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42379600037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365651 + ... + 467396.

It is an arithmetic number, because the mean of its divisors is an integer number (10595120988).

Almost surely, 242379600031 is an apocalyptic number.

42379600031 is a deficient number, since it is larger than the sum of its proper divisors (883921).

42379600031 is an equidigital number, since it uses as much as digits as its factorization.

42379600031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883920.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 42379600031 in words is "forty-two billion, three hundred seventy-nine million, six hundred thousand, thirty-one".

Divisors: 1 50873 833047 42379600031