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10440040143 = 3131914239901
BaseRepresentation
bin10011011100100011…
…00101111011001111
3222221120202222201110
421232101211323033
5132340122241033
64443542143103
7516466606551
oct115621457317
928846688643
1010440040143
114478148755
122034421a93
13ca4c0a960
1471078b4d1
15411830363
hex26e465ecf

10440040143 has 32 divisors (see below), whose sum is σ = 15792501760. Its totient is φ = 6081609600.

The previous prime is 10440040129. The next prime is 10440040151. The reversal of 10440040143 is 34104004401.

It is not a de Polignac number, because 10440040143 - 213 = 10440031951 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 (10440040343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1049493 + ... + 1059393.

It is an arithmetic number, because the mean of its divisors is an integer number (493515680).

Almost surely, 210440040143 is an apocalyptic number.

10440040143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10440040143 is a deficient number, since it is larger than the sum of its proper divisors (5352461617).

10440040143 is a wasteful number, since it uses less digits than its factorization.

10440040143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10440040143 its reverse (34104004401), we get a palindrome (44544044544).

The spelling of 10440040143 in words is "ten billion, four hundred forty million, forty thousand, one hundred forty-three".

Divisors: 1 3 13 19 39 57 247 741 1423 4269 9901 18499 27037 29703 55497 81111 128713 188119 351481 386139 564357 1054443 2445547 7336641 14089123 42267369 183158599 267693337 549475797 803080011 3480013381 10440040143