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2144120042031 = 31164973334607
BaseRepresentation
bin11111001100110111100…
…000110111001000101111
321120222100102010112212120
4133030313200313020233
5240112124212321111
64320554541404023
7310623202435512
oct37146740671057
97528312115776
102144120042031
11757352959540
122a7665569613
13127260887b56
1475ac135cd79
153ab90787406
hex1f33783722f

2144120042031 has 8 divisors (see below), whose sum is σ = 3118720061184. Its totient is φ = 1299466692120.

The previous prime is 2144120041961. The next prime is 2144120042033. The reversal of 2144120042031 is 1302400214412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144120042031 - 226 = 2144052933167 is a prime.

It is a super-2 number, since 2×21441200420312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144120041992 and 2144120042010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144120042033) 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, 32486667271 + ... + 32486667336.

It is an arithmetic number, because the mean of its divisors is an integer number (389840007648).

Almost surely, 22144120042031 is an apocalyptic number.

2144120042031 is a deficient number, since it is larger than the sum of its proper divisors (974600019153).

2144120042031 is a wasteful number, since it uses less digits than its factorization.

2144120042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64973334621.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2144120042031 its reverse (1302400214412), we get a palindrome (3446520256443).

The spelling of 2144120042031 in words is "two trillion, one hundred forty-four billion, one hundred twenty million, forty-two thousand, thirty-one".

Divisors: 1 3 11 33 64973334607 194920003821 714706680677 2144120042031