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103442140404311 = 1019101513386069
BaseRepresentation
bin10111100001010010000000…
…000010001001101001010111
3111120020222020121202111221212
4113201102000002021221113
5102024244000420414221
61004000355133332035
730534306445626062
oct2741220002115127
9446228217674855
10103442140404311
112aa61624588775
12b72794363701b
134594723930157
141b788aa8418d9
15be5b7a28cb5b
hex5e1480089a57

103442140404311 has 4 divisors (see below), whose sum is σ = 103543653791400. Its totient is φ = 103340627017224.

The previous prime is 103442140404259. The next prime is 103442140404371. The reversal of 103442140404311 is 113404041244301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103442140404311 - 218 = 103442140142167 is a prime.

It is a super-2 number, since 2×1034421404043112 (a number of 29 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 (103442140404371) 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, 50756692016 + ... + 50756694053.

It is an arithmetic number, because the mean of its divisors is an integer number (25885913447850).

Almost surely, 2103442140404311 is an apocalyptic number.

103442140404311 is a deficient number, since it is larger than the sum of its proper divisors (101513387089).

103442140404311 is a wasteful number, since it uses less digits than its factorization.

103442140404311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101513387088.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 103442140404311 its reverse (113404041244301), we get a palindrome (216846181648612).

The spelling of 103442140404311 in words is "one hundred three trillion, four hundred forty-two billion, one hundred forty million, four hundred four thousand, three hundred eleven".

Divisors: 1 1019 101513386069 103442140404311