Search a number
-
+
42043233043431 = 3210386113526681
BaseRepresentation
bin10011000111100111100111…
…11110001000001111100111
312111212021221012101000121100
421203303303332020033213
521002314020124342211
6225230221123251143
711566344336255144
oct1143636376101747
9174767835330540
1042043233043431
111243a486a96314
124870315819ab3
131a5c87694c229
14a54c90a833cb
154cd99345a156
hex263cf3f883e7

42043233043431 has 24 divisors (see below), whose sum is σ = 61319545947296. Its totient is φ = 27756322513920.

The previous prime is 42043233043429. The next prime is 42043233043589. The reversal of 42043233043431 is 13434033234024.

42043233043431 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 3 + 2 + 3 + 304 + 343 + 1 = 666.

It is not a de Polignac number, because 42043233043431 - 21 = 42043233043429 is a prime.

It is a super-2 number, since 2×420432330434312 (a number of 28 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 (42043233042431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79563411 + ... + 80090091.

Almost surely, 242043233043431 is an apocalyptic number.

42043233043431 is a deficient number, since it is larger than the sum of its proper divisors (19276312903865).

42043233043431 is a wasteful number, since it uses less digits than its factorization.

42043233043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612903 (or 612900 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 42043233043431 its reverse (13434033234024), we get a palindrome (55477266277455).

The spelling of 42043233043431 in words is "forty-two trillion, forty-three billion, two hundred thirty-three million, forty-three thousand, four hundred thirty-one".

Divisors: 1 3 9 103 309 927 86113 258339 526681 775017 1580043 4740129 8869639 26608917 54248143 79826751 162744429 488233287 45354080953 136062242859 408186728577 4671470338159 14014411014477 42043233043431