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42420412313 = 157270193709
BaseRepresentation
bin100111100000011101…
…000001111110011001
311001111100111012222222
4213200131001332121
51143334111143223
631253200353425
73031134361316
oct474035017631
9131440435888
1042420412313
1116a992426a4
12827a615875
1340006671b6
1420a5c21d0d
1511842410c8
hex9e0741f99

42420412313 has 4 divisors (see below), whose sum is σ = 42690606180. Its totient is φ = 42150218448.

The previous prime is 42420412277. The next prime is 42420412337. The reversal of 42420412313 is 31321402424.

42420412313 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 can be written as a sum of positive squares in 2 ways, for example, as 16830651289 + 25589761024 = 129733^2 + 159968^2 .

It is a cyclic number.

It is not a de Polignac number, because 42420412313 - 26 = 42420412249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42420612313) 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, 135096698 + ... + 135097011.

It is an arithmetic number, because the mean of its divisors is an integer number (10672651545).

Almost surely, 242420412313 is an apocalyptic number.

It is an amenable number.

42420412313 is a deficient number, since it is larger than the sum of its proper divisors (270193867).

42420412313 is a wasteful number, since it uses less digits than its factorization.

42420412313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270193866.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42420412313 its reverse (31321402424), we get a palindrome (73741814737).

The spelling of 42420412313 in words is "forty-two billion, four hundred twenty million, four hundred twelve thousand, three hundred thirteen".

Divisors: 1 157 270193709 42420412313