Search a number
-
+
2115441110143 = 192329437164447
BaseRepresentation
bin11110110010001010000…
…111011010110001111111
321111020022201122212021001
4132302022013122301333
5234124410411011033
64255453100351131
7305556413515264
oct36621207326177
97436281585231
102115441110143
117461763a2539
122a1ba0b454a7
131246400c637a
147456055b26b
153a062b10e7d
hex1ec8a1dac7f

2115441110143 has 16 divisors (see below), whose sum is σ = 2323689707520. Its totient is φ = 1916890452576.

The previous prime is 2115441110089. The next prime is 2115441110173. The reversal of 2115441110143 is 3410111445112.

It is a cyclic number.

It is not a de Polignac number, because 2115441110143 - 213 = 2115441101951 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 (2115441110173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12781746 + ... + 12946192.

It is an arithmetic number, because the mean of its divisors is an integer number (145230606720).

Almost surely, 22115441110143 is an apocalyptic number.

2115441110143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2115441110143 is a deficient number, since it is larger than the sum of its proper divisors (208248597377).

2115441110143 is a wasteful number, since it uses less digits than its factorization.

2115441110143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193926.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 2115441110143 its reverse (3410111445112), we get a palindrome (5525552555255).

The spelling of 2115441110143 in words is "two trillion, one hundred fifteen billion, four hundred forty-one million, one hundred ten thousand, one hundred forty-three".

Divisors: 1 19 23 437 29437 164447 559303 677051 3124493 3782281 12863969 71863339 4840826339 91975700441 111339005797 2115441110143