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42040115443143 = 3657668196767
BaseRepresentation
bin10011000111100001110100…
…01001011011010111000111
312111211222212221001112000000
421203300322021123113013
521002241124023140033
6225224543514252343
711566204152144366
oct1143607211332707
9174758787045000
1042040115443143
1112439127203054
12486b7a57270b3
131a5c49aaa112c
14a54a769c77dd
154cd85e8d6a13
hex263c3a25b5c7

42040115443143 has 14 divisors (see below), whose sum is σ = 63031339067424. Its totient is φ = 28026743628276.

The previous prime is 42040115443033. The next prime is 42040115443153. The reversal of 42040115443143 is 34134451104024.

It is a happy number.

42040115443143 is a `hidden beast` number, since 4 + 2 + 0 + 40 + 1 + 1 + 544 + 31 + 43 = 666.

It is not a de Polignac number, because 42040115443143 - 226 = 42040048334279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42040115443098 and 42040115443107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040115443153) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 28834097655 + ... + 28834099112.

It is an arithmetic number, because the mean of its divisors is an integer number (4502238504816).

Almost surely, 242040115443143 is an apocalyptic number.

42040115443143 is a deficient number, since it is larger than the sum of its proper divisors (20991223624281).

42040115443143 is an frugal number, since it uses more digits than its factorization.

42040115443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57668196785 (or 57668196770 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 42040115443143 its reverse (34134451104024), we get a palindrome (76174566547167).

The spelling of 42040115443143 in words is "forty-two trillion, forty billion, one hundred fifteen million, four hundred forty-three thousand, one hundred forty-three".

Divisors: 1 3 9 27 81 243 729 57668196767 173004590301 519013770903 1557041312709 4671123938127 14013371814381 42040115443143