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42424343231 = 317119275031
BaseRepresentation
bin100111100000101100…
…000001101010111111
311001111121212221012112
4213200230001222333
51143341112440411
631253420524235
73031212652604
oct474054015277
9131447787175
1042424343231
1116aa0487a96
12827b9b067b
13400141249a
1420a65666ab
15118476ab8b
hex9e0b01abf

42424343231 has 8 divisors (see below), whose sum is σ = 44409673728. Its totient is φ = 40477563000.

The previous prime is 42424343207. The next prime is 42424343233. The reversal of 42424343231 is 13234342424.

42424343231 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 not a de Polignac number, because 42424343231 - 230 = 41350601407 is a prime.

It is a super-2 number, since 2×424243432312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424343233) 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, 9635315 + ... + 9639716.

It is an arithmetic number, because the mean of its divisors is an integer number (5551209216).

Almost surely, 242424343231 is an apocalyptic number.

42424343231 is a deficient number, since it is larger than the sum of its proper divisors (1985330497).

42424343231 is a wasteful number, since it uses less digits than its factorization.

42424343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275133.

The product of its digits is 55296, while the sum is 32.

Adding to 42424343231 its reverse (13234342424), we get a palindrome (55658685655).

The spelling of 42424343231 in words is "forty-two billion, four hundred twenty-four million, three hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 31 71 2201 19275031 597525961 1368527201 42424343231