Search a number
-
+
42420323341 = 113856393031
BaseRepresentation
bin100111100000011100…
…101100010000001101
311001111100022200221201
4213200130230100031
51143334100321331
631253154425501
73031133541034
oct474034542015
9131440280851
1042420323341
1116a99191870
12827a592291
134000635856
1420a5bdb71b
151184224a61
hex9e072c40d

42420323341 has 4 divisors (see below), whose sum is σ = 46276716384. Its totient is φ = 38563930300.

The previous prime is 42420323311. The next prime is 42420323347. The reversal of 42420323341 is 14332302424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42420323341 - 219 = 42419799053 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 (42420323347) 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, 1928196505 + ... + 1928196526.

It is an arithmetic number, because the mean of its divisors is an integer number (11569179096).

Almost surely, 242420323341 is an apocalyptic number.

It is an amenable number.

42420323341 is a deficient number, since it is larger than the sum of its proper divisors (3856393043).

42420323341 is a wasteful number, since it uses less digits than its factorization.

42420323341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856393042.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42420323341 its reverse (14332302424), we get a palindrome (56752625765).

The spelling of 42420323341 in words is "forty-two billion, four hundred twenty million, three hundred twenty-three thousand, three hundred forty-one".

Divisors: 1 11 3856393031 42420323341